Home / 90,616.20-135,924.30-59,123.40

Finding the Fourth Proportional to 90,616.20, 135,924.30 and 59,123.40

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Solution

The fourth proportional to 90,616.20, 135,924.30 and 59,123.40 is: 88,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,616.20 : 135,924.30 = 59,123.40 : x
  2. Step 2: Convert to fraction form
    90,616.20/135,924.30 = 59,123.40/x
  3. Step 3: Cross multiply
    90,616.20x = 135,924.30 × 59,123.40
  4. Step 4: Simplify right side
    90,616.20x = 8,036,306,758.62
  5. Step 5: Solve for x
    x = 8,036,306,758.62/90,616.20
  6. Step 6: Final answer
    x = 88,685.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.