Home / 131,743.10-197,615.16-31,903.13

Finding the Fourth Proportional to 131,743.10, 197,615.16 and 31,903.13

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Solution

The fourth proportional to 131,743.10, 197,615.16 and 31,903.13 is: 47,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,743.10 : 197,615.16 = 31,903.13 : x
  2. Step 2: Convert to fraction form
    131,743.10/197,615.16 = 31,903.13/x
  3. Step 3: Cross multiply
    131,743.10x = 197,615.16 × 31,903.13
  4. Step 4: Simplify right side
    131,743.10x = 6,304,541,151.38
  5. Step 5: Solve for x
    x = 6,304,541,151.38/131,743.10
  6. Step 6: Final answer
    x = 47,854.81

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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.