Home / 90,002.20-134,657.70-58,898.20

Finding the Fourth Proportional to 90,002.20, 134,657.70 and 58,898.20

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Solution

The fourth proportional to 90,002.20, 134,657.70 and 58,898.20 is: 88,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.20 : 134,657.70 = 58,898.20 : x
  2. Step 2: Convert to fraction form
    90,002.20/134,657.70 = 58,898.20/x
  3. Step 3: Cross multiply
    90,002.20x = 134,657.70 × 58,898.20
  4. Step 4: Simplify right side
    90,002.20x = 7,931,096,146.14
  5. Step 5: Solve for x
    x = 7,931,096,146.14/90,002.20
  6. Step 6: Final answer
    x = 88,121.14

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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.