Home / 146,839.07-202,631.13-83,177.39

Finding the Fourth Proportional to 146,839.07, 202,631.13 and 83,177.39

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Solution

The fourth proportional to 146,839.07, 202,631.13 and 83,177.39 is: 114,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,839.07 : 202,631.13 = 83,177.39 : x
  2. Step 2: Convert to fraction form
    146,839.07/202,631.13 = 83,177.39/x
  3. Step 3: Cross multiply
    146,839.07x = 202,631.13 × 83,177.39
  4. Step 4: Simplify right side
    146,839.07x = 16,854,327,513.00
  5. Step 5: Solve for x
    x = 16,854,327,513.00/146,839.07
  6. Step 6: Final answer
    x = 114,780.95

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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.