Home / 157,132.09-216,590.52-106,128.82

Finding the Fourth Proportional to 157,132.09, 216,590.52 and 106,128.82

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Solution

The fourth proportional to 157,132.09, 216,590.52 and 106,128.82 is: 146,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,132.09 : 216,590.52 = 106,128.82 : x
  2. Step 2: Convert to fraction form
    157,132.09/216,590.52 = 106,128.82/x
  3. Step 3: Cross multiply
    157,132.09x = 216,590.52 × 106,128.82
  4. Step 4: Simplify right side
    157,132.09x = 22,986,496,310.79
  5. Step 5: Solve for x
    x = 22,986,496,310.79/157,132.09
  6. Step 6: Final answer
    x = 146,287.73

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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.