Home / 97,723.60-146,585.40-66,230.80

Finding the Fourth Proportional to 97,723.60, 146,585.40 and 66,230.80

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Solution

The fourth proportional to 97,723.60, 146,585.40 and 66,230.80 is: 99,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.60 : 146,585.40 = 66,230.80 : x
  2. Step 2: Convert to fraction form
    97,723.60/146,585.40 = 66,230.80/x
  3. Step 3: Cross multiply
    97,723.60x = 146,585.40 × 66,230.80
  4. Step 4: Simplify right side
    97,723.60x = 9,708,468,310.32
  5. Step 5: Solve for x
    x = 9,708,468,310.32/97,723.60
  6. Step 6: Final answer
    x = 99,346.20

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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.