Home / 91,397.18-126,127.24-51,110.48

Finding the Fourth Proportional to 91,397.18, 126,127.24 and 51,110.48

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Solution

The fourth proportional to 91,397.18, 126,127.24 and 51,110.48 is: 70,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397.18 : 126,127.24 = 51,110.48 : x
  2. Step 2: Convert to fraction form
    91,397.18/126,127.24 = 51,110.48/x
  3. Step 3: Cross multiply
    91,397.18x = 126,127.24 × 51,110.48
  4. Step 4: Simplify right side
    91,397.18x = 6,446,423,777.48
  5. Step 5: Solve for x
    x = 6,446,423,777.48/91,397.18
  6. Step 6: Final answer
    x = 70,531.98

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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.