Home / 91,553.94-126,357.23-66,142.52

Finding the Fourth Proportional to 91,553.94, 126,357.23 and 66,142.52

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Solution

The fourth proportional to 91,553.94, 126,357.23 and 66,142.52 is: 91,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,553.94 : 126,357.23 = 66,142.52 : x
  2. Step 2: Convert to fraction form
    91,553.94/126,357.23 = 66,142.52/x
  3. Step 3: Cross multiply
    91,553.94x = 126,357.23 × 66,142.52
  4. Step 4: Simplify right side
    91,553.94x = 8,357,584,649.92
  5. Step 5: Solve for x
    x = 8,357,584,649.92/91,553.94
  6. Step 6: Final answer
    x = 91,285.91

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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.