Home / 151,306.40-226,959.60-127,978.40

Finding the Fourth Proportional to 151,306.40, 226,959.60 and 127,978.40

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Solution

The fourth proportional to 151,306.40, 226,959.60 and 127,978.40 is: 191,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,306.40 : 226,959.60 = 127,978.40 : x
  2. Step 2: Convert to fraction form
    151,306.40/226,959.60 = 127,978.40/x
  3. Step 3: Cross multiply
    151,306.40x = 226,959.60 × 127,978.40
  4. Step 4: Simplify right side
    151,306.40x = 29,045,926,472.64
  5. Step 5: Solve for x
    x = 29,045,926,472.64/151,306.40
  6. Step 6: Final answer
    x = 191,967.60

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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.