Home / 220,670.32-304,516.08-125,174.97

Finding the Fourth Proportional to 220,670.32, 304,516.08 and 125,174.97

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Solution

The fourth proportional to 220,670.32, 304,516.08 and 125,174.97 is: 172,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,670.32 : 304,516.08 = 125,174.97 : x
  2. Step 2: Convert to fraction form
    220,670.32/304,516.08 = 125,174.97/x
  3. Step 3: Cross multiply
    220,670.32x = 304,516.08 × 125,174.97
  4. Step 4: Simplify right side
    220,670.32x = 38,117,791,178.52
  5. Step 5: Solve for x
    x = 38,117,791,178.52/220,670.32
  6. Step 6: Final answer
    x = 172,736.38

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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.