Home / 157,716.19-217,095.90-137,537.47

Finding the Fourth Proportional to 157,716.19, 217,095.90 and 137,537.47

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Solution

The fourth proportional to 157,716.19, 217,095.90 and 137,537.47 is: 189,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,716.19 : 217,095.90 = 137,537.47 : x
  2. Step 2: Convert to fraction form
    157,716.19/217,095.90 = 137,537.47/x
  3. Step 3: Cross multiply
    157,716.19x = 217,095.90 × 137,537.47
  4. Step 4: Simplify right side
    157,716.19x = 29,858,819,404.05
  5. Step 5: Solve for x
    x = 29,858,819,404.05/157,716.19
  6. Step 6: Final answer
    x = 189,319.94

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1.5x scale

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.