Home / 91,490.40-126,240.15-52,722.18

Finding the Fourth Proportional to 91,490.40, 126,240.15 and 52,722.18

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Solution

The fourth proportional to 91,490.40, 126,240.15 and 52,722.18 is: 72,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490.40 : 126,240.15 = 52,722.18 : x
  2. Step 2: Convert to fraction form
    91,490.40/126,240.15 = 52,722.18/x
  3. Step 3: Cross multiply
    91,490.40x = 126,240.15 × 52,722.18
  4. Step 4: Simplify right side
    91,490.40x = 6,655,655,911.53
  5. Step 5: Solve for x
    x = 6,655,655,911.53/91,490.40
  6. Step 6: Final answer
    x = 72,747.04

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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.