Home / 103,461.92-155,164.56-28,564.16

Finding the Fourth Proportional to 103,461.92, 155,164.56 and 28,564.16

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Solution

The fourth proportional to 103,461.92, 155,164.56 and 28,564.16 is: 42,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,461.92 : 155,164.56 = 28,564.16 : x
  2. Step 2: Convert to fraction form
    103,461.92/155,164.56 = 28,564.16/x
  3. Step 3: Cross multiply
    103,461.92x = 155,164.56 × 28,564.16
  4. Step 4: Simplify right side
    103,461.92x = 4,432,145,318.17
  5. Step 5: Solve for x
    x = 4,432,145,318.17/103,461.92
  6. Step 6: Final answer
    x = 42,838.42

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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.