Home / 220,520.32-304,424.98-147,896.66

Finding the Fourth Proportional to 220,520.32, 304,424.98 and 147,896.66

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Solution

The fourth proportional to 220,520.32, 304,424.98 and 147,896.66 is: 204,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,520.32 : 304,424.98 = 147,896.66 : x
  2. Step 2: Convert to fraction form
    220,520.32/304,424.98 = 147,896.66/x
  3. Step 3: Cross multiply
    220,520.32x = 304,424.98 × 147,896.66
  4. Step 4: Simplify right side
    220,520.32x = 45,023,438,129.61
  5. Step 5: Solve for x
    x = 45,023,438,129.61/220,520.32
  6. Step 6: Final answer
    x = 204,169.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.