Home / 131,854.58-181,960.20-71,425.23

Finding the Fourth Proportional to 131,854.58, 181,960.20 and 71,425.23

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Solution

The fourth proportional to 131,854.58, 181,960.20 and 71,425.23 is: 98,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,854.58 : 181,960.20 = 71,425.23 : x
  2. Step 2: Convert to fraction form
    131,854.58/181,960.20 = 71,425.23/x
  3. Step 3: Cross multiply
    131,854.58x = 181,960.20 × 71,425.23
  4. Step 4: Simplify right side
    131,854.58x = 12,996,548,252.61
  5. Step 5: Solve for x
    x = 12,996,548,252.61/131,854.58
  6. Step 6: Final answer
    x = 98,567.28

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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.