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Finding the Fourth Proportional to 99,377.40, 149,066.10 and 98,794.20

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Solution

The fourth proportional to 99,377.40, 149,066.10 and 98,794.20 is: 148,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,377.40 : 149,066.10 = 98,794.20 : x
  2. Step 2: Convert to fraction form
    99,377.40/149,066.10 = 98,794.20/x
  3. Step 3: Cross multiply
    99,377.40x = 149,066.10 × 98,794.20
  4. Step 4: Simplify right side
    99,377.40x = 14,726,866,096.62
  5. Step 5: Solve for x
    x = 14,726,866,096.62/99,377.40
  6. Step 6: Final answer
    x = 148,191.30

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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.