Home / 103,856.25-155,721.98-40,601.04

Finding the Fourth Proportional to 103,856.25, 155,721.98 and 40,601.04

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Solution

The fourth proportional to 103,856.25, 155,721.98 and 40,601.04 is: 60,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,856.25 : 155,721.98 = 40,601.04 : x
  2. Step 2: Convert to fraction form
    103,856.25/155,721.98 = 40,601.04/x
  3. Step 3: Cross multiply
    103,856.25x = 155,721.98 × 40,601.04
  4. Step 4: Simplify right side
    103,856.25x = 6,322,473,560.25
  5. Step 5: Solve for x
    x = 6,322,473,560.25/103,856.25
  6. Step 6: Final answer
    x = 60,877.16

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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.