Home / 103,487.78-155,083.35-59,022.50

Finding the Fourth Proportional to 103,487.78, 155,083.35 and 59,022.50

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Solution

The fourth proportional to 103,487.78, 155,083.35 and 59,022.50 is: 88,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.78 : 155,083.35 = 59,022.50 : x
  2. Step 2: Convert to fraction form
    103,487.78/155,083.35 = 59,022.50/x
  3. Step 3: Cross multiply
    103,487.78x = 155,083.35 × 59,022.50
  4. Step 4: Simplify right side
    103,487.78x = 9,153,407,025.38
  5. Step 5: Solve for x
    x = 9,153,407,025.38/103,487.78
  6. Step 6: Final answer
    x = 88,449.16

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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.