Home / 243,023.60-364,535.40-148,545.20

Finding the Fourth Proportional to 243,023.60, 364,535.40 and 148,545.20

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Solution

The fourth proportional to 243,023.60, 364,535.40 and 148,545.20 is: 222,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,023.60 : 364,535.40 = 148,545.20 : x
  2. Step 2: Convert to fraction form
    243,023.60/364,535.40 = 148,545.20/x
  3. Step 3: Cross multiply
    243,023.60x = 364,535.40 × 148,545.20
  4. Step 4: Simplify right side
    243,023.60x = 54,149,983,900.08
  5. Step 5: Solve for x
    x = 54,149,983,900.08/243,023.60
  6. Step 6: Final answer
    x = 222,817.80

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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.