Home / 97,719.70-146,579.55-42,423.70

Finding the Fourth Proportional to 97,719.70, 146,579.55 and 42,423.70

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Solution

The fourth proportional to 97,719.70, 146,579.55 and 42,423.70 is: 63,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.70 : 146,579.55 = 42,423.70 : x
  2. Step 2: Convert to fraction form
    97,719.70/146,579.55 = 42,423.70/x
  3. Step 3: Cross multiply
    97,719.70x = 146,579.55 × 42,423.70
  4. Step 4: Simplify right side
    97,719.70x = 6,218,446,855.34
  5. Step 5: Solve for x
    x = 6,218,446,855.34/97,719.70
  6. Step 6: Final answer
    x = 63,635.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.