Home / 134,560.69-185,702.27-74,131.45

Finding the Fourth Proportional to 134,560.69, 185,702.27 and 74,131.45

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Solution

The fourth proportional to 134,560.69, 185,702.27 and 74,131.45 is: 102,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,560.69 : 185,702.27 = 74,131.45 : x
  2. Step 2: Convert to fraction form
    134,560.69/185,702.27 = 74,131.45/x
  3. Step 3: Cross multiply
    134,560.69x = 185,702.27 × 74,131.45
  4. Step 4: Simplify right side
    134,560.69x = 13,766,377,708.48
  5. Step 5: Solve for x
    x = 13,766,377,708.48/134,560.69
  6. Step 6: Final answer
    x = 102,306.09

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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.