Home / 97,810.20-146,665.08-47,814.84

Finding the Fourth Proportional to 97,810.20, 146,665.08 and 47,814.84

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Solution

The fourth proportional to 97,810.20, 146,665.08 and 47,814.84 is: 71,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,810.20 : 146,665.08 = 47,814.84 : x
  2. Step 2: Convert to fraction form
    97,810.20/146,665.08 = 47,814.84/x
  3. Step 3: Cross multiply
    97,810.20x = 146,665.08 × 47,814.84
  4. Step 4: Simplify right side
    97,810.20x = 7,012,767,333.79
  5. Step 5: Solve for x
    x = 7,012,767,333.79/97,810.20
  6. Step 6: Final answer
    x = 71,697.71

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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.