Home / 157,446.16-235,125.62-138,369.04

Finding the Fourth Proportional to 157,446.16, 235,125.62 and 138,369.04

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Solution

The fourth proportional to 157,446.16, 235,125.62 and 138,369.04 is: 206,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,446.16 : 235,125.62 = 138,369.04 : x
  2. Step 2: Convert to fraction form
    157,446.16/235,125.62 = 138,369.04/x
  3. Step 3: Cross multiply
    157,446.16x = 235,125.62 × 138,369.04
  4. Step 4: Simplify right side
    157,446.16x = 32,534,106,318.80
  5. Step 5: Solve for x
    x = 32,534,106,318.80/157,446.16
  6. Step 6: Final answer
    x = 206,636.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.