Home / 100,834.60-151,251.90-89,948.20

Finding the Fourth Proportional to 100,834.60, 151,251.90 and 89,948.20

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Solution

The fourth proportional to 100,834.60, 151,251.90 and 89,948.20 is: 134,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,834.60 : 151,251.90 = 89,948.20 : x
  2. Step 2: Convert to fraction form
    100,834.60/151,251.90 = 89,948.20/x
  3. Step 3: Cross multiply
    100,834.60x = 151,251.90 × 89,948.20
  4. Step 4: Simplify right side
    100,834.60x = 13,604,836,151.58
  5. Step 5: Solve for x
    x = 13,604,836,151.58/100,834.60
  6. Step 6: Final answer
    x = 134,922.30

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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.