Home / 153,249.60-229,873.32-90,730.56

Finding the Fourth Proportional to 153,249.60, 229,873.32 and 90,730.56

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Solution

The fourth proportional to 153,249.60, 229,873.32 and 90,730.56 is: 136,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,249.60 : 229,873.32 = 90,730.56 : x
  2. Step 2: Convert to fraction form
    153,249.60/229,873.32 = 90,730.56/x
  3. Step 3: Cross multiply
    153,249.60x = 229,873.32 × 90,730.56
  4. Step 4: Simplify right side
    153,249.60x = 20,856,535,052.66
  5. Step 5: Solve for x
    x = 20,856,535,052.66/153,249.60
  6. Step 6: Final answer
    x = 136,095.20

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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.