Home / 173,735.40-239,724-102,129.96

Finding the Fourth Proportional to 173,735.40, 239,724 and 102,129.96

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Solution

The fourth proportional to 173,735.40, 239,724 and 102,129.96 is: 140,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,735.40 : 239,724 = 102,129.96 : x
  2. Step 2: Convert to fraction form
    173,735.40/239,724 = 102,129.96/x
  3. Step 3: Cross multiply
    173,735.40x = 239,724 × 102,129.96
  4. Step 4: Simplify right side
    173,735.40x = 24,483,002,531.04
  5. Step 5: Solve for x
    x = 24,483,002,531.04/173,735.40
  6. Step 6: Final answer
    x = 140,921.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.