Home / 157,759.64-236,640.12-39,431.14

Finding the Fourth Proportional to 157,759.64, 236,640.12 and 39,431.14

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Solution

The fourth proportional to 157,759.64, 236,640.12 and 39,431.14 is: 59,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,759.64 : 236,640.12 = 39,431.14 : x
  2. Step 2: Convert to fraction form
    157,759.64/236,640.12 = 39,431.14/x
  3. Step 3: Cross multiply
    157,759.64x = 236,640.12 × 39,431.14
  4. Step 4: Simplify right side
    157,759.64x = 9,330,989,701.34
  5. Step 5: Solve for x
    x = 9,330,989,701.34/157,759.64
  6. Step 6: Final answer
    x = 59,146.87

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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.