Home / 97,899.87-146,898.59-38,778.15

Finding the Fourth Proportional to 97,899.87, 146,898.59 and 38,778.15

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Solution

The fourth proportional to 97,899.87, 146,898.59 and 38,778.15 is: 58,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,899.87 : 146,898.59 = 38,778.15 : x
  2. Step 2: Convert to fraction form
    97,899.87/146,898.59 = 38,778.15/x
  3. Step 3: Cross multiply
    97,899.87x = 146,898.59 × 38,778.15
  4. Step 4: Simplify right side
    97,899.87x = 5,696,455,363.92
  5. Step 5: Solve for x
    x = 5,696,455,363.92/97,899.87
  6. Step 6: Final answer
    x = 58,186.55

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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.