Home / 90,377.21-124,692.04-52,131.62

Finding the Fourth Proportional to 90,377.21, 124,692.04 and 52,131.62

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Solution

The fourth proportional to 90,377.21, 124,692.04 and 52,131.62 is: 71,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,377.21 : 124,692.04 = 52,131.62 : x
  2. Step 2: Convert to fraction form
    90,377.21/124,692.04 = 52,131.62/x
  3. Step 3: Cross multiply
    90,377.21x = 124,692.04 × 52,131.62
  4. Step 4: Simplify right side
    90,377.21x = 6,500,398,046.30
  5. Step 5: Solve for x
    x = 6,500,398,046.30/90,377.21
  6. Step 6: Final answer
    x = 71,925.19

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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.