Home / 220,330.72-304,057.02-119,728.72

Finding the Fourth Proportional to 220,330.72, 304,057.02 and 119,728.72

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Solution

The fourth proportional to 220,330.72, 304,057.02 and 119,728.72 is: 165,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,330.72 : 304,057.02 = 119,728.72 : x
  2. Step 2: Convert to fraction form
    220,330.72/304,057.02 = 119,728.72/x
  3. Step 3: Cross multiply
    220,330.72x = 304,057.02 × 119,728.72
  4. Step 4: Simplify right side
    220,330.72x = 36,404,357,811.61
  5. Step 5: Solve for x
    x = 36,404,357,811.61/220,330.72
  6. Step 6: Final answer
    x = 165,225.97

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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.