Home / 90,220.60-124,515.12-52,494.76

Finding the Fourth Proportional to 90,220.60, 124,515.12 and 52,494.76

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Solution

The fourth proportional to 90,220.60, 124,515.12 and 52,494.76 is: 72,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.60 : 124,515.12 = 52,494.76 : x
  2. Step 2: Convert to fraction form
    90,220.60/124,515.12 = 52,494.76/x
  3. Step 3: Cross multiply
    90,220.60x = 124,515.12 × 52,494.76
  4. Step 4: Simplify right side
    90,220.60x = 6,536,391,340.77
  5. Step 5: Solve for x
    x = 6,536,391,340.77/90,220.60
  6. Step 6: Final answer
    x = 72,448.99

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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.