Home / 157,848.32-217,830.40-90,792.96

Finding the Fourth Proportional to 157,848.32, 217,830.40 and 90,792.96

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Solution

The fourth proportional to 157,848.32, 217,830.40 and 90,792.96 is: 125,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,848.32 : 217,830.40 = 90,792.96 : x
  2. Step 2: Convert to fraction form
    157,848.32/217,830.40 = 90,792.96/x
  3. Step 3: Cross multiply
    157,848.32x = 217,830.40 × 90,792.96
  4. Step 4: Simplify right side
    157,848.32x = 19,777,466,793.98
  5. Step 5: Solve for x
    x = 19,777,466,793.98/157,848.32
  6. Step 6: Final answer
    x = 125,294.12

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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.