Home / 103,344.13-155,017.04-28,468.41

Finding the Fourth Proportional to 103,344.13, 155,017.04 and 28,468.41

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Solution

The fourth proportional to 103,344.13, 155,017.04 and 28,468.41 is: 42,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344.13 : 155,017.04 = 28,468.41 : x
  2. Step 2: Convert to fraction form
    103,344.13/155,017.04 = 28,468.41/x
  3. Step 3: Cross multiply
    103,344.13x = 155,017.04 × 28,468.41
  4. Step 4: Simplify right side
    103,344.13x = 4,413,088,651.71
  5. Step 5: Solve for x
    x = 4,413,088,651.71/103,344.13
  6. Step 6: Final answer
    x = 42,702.85

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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.