Home / 92,519.28-127,685-52,242.92

Finding the Fourth Proportional to 92,519.28, 127,685 and 52,242.92

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Solution

The fourth proportional to 92,519.28, 127,685 and 52,242.92 is: 72,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,519.28 : 127,685 = 52,242.92 : x
  2. Step 2: Convert to fraction form
    92,519.28/127,685 = 52,242.92/x
  3. Step 3: Cross multiply
    92,519.28x = 127,685 × 52,242.92
  4. Step 4: Simplify right side
    92,519.28x = 6,670,637,240.20
  5. Step 5: Solve for x
    x = 6,670,637,240.20/92,519.28
  6. Step 6: Final answer
    x = 72,099.97

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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.