Home / 147,544.32-221,251.20-42,338.88

Finding the Fourth Proportional to 147,544.32, 221,251.20 and 42,338.88

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Solution

The fourth proportional to 147,544.32, 221,251.20 and 42,338.88 is: 63,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,544.32 : 221,251.20 = 42,338.88 : x
  2. Step 2: Convert to fraction form
    147,544.32/221,251.20 = 42,338.88/x
  3. Step 3: Cross multiply
    147,544.32x = 221,251.20 × 42,338.88
  4. Step 4: Simplify right side
    147,544.32x = 9,367,528,006.66
  5. Step 5: Solve for x
    x = 9,367,528,006.66/147,544.32
  6. Step 6: Final answer
    x = 63,489.59

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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.