Home / 157,326.75-217,112.42-89,345.15

Finding the Fourth Proportional to 157,326.75, 217,112.42 and 89,345.15

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Solution

The fourth proportional to 157,326.75, 217,112.42 and 89,345.15 is: 123,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,326.75 : 217,112.42 = 89,345.15 : x
  2. Step 2: Convert to fraction form
    157,326.75/217,112.42 = 89,345.15/x
  3. Step 3: Cross multiply
    157,326.75x = 217,112.42 × 89,345.15
  4. Step 4: Simplify right side
    157,326.75x = 19,397,940,199.48
  5. Step 5: Solve for x
    x = 19,397,940,199.48/157,326.75
  6. Step 6: Final answer
    x = 123,297.15

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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.