Home / 125,185.64-187,778.58-31,691.40

Finding the Fourth Proportional to 125,185.64, 187,778.58 and 31,691.40

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Solution

The fourth proportional to 125,185.64, 187,778.58 and 31,691.40 is: 47,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,185.64 : 187,778.58 = 31,691.40 : x
  2. Step 2: Convert to fraction form
    125,185.64/187,778.58 = 31,691.40/x
  3. Step 3: Cross multiply
    125,185.64x = 187,778.58 × 31,691.40
  4. Step 4: Simplify right side
    125,185.64x = 5,950,966,090.21
  5. Step 5: Solve for x
    x = 5,950,966,090.21/125,185.64
  6. Step 6: Final answer
    x = 47,537.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.