Home / 160,132.32-239,848.56-81,110.88

Finding the Fourth Proportional to 160,132.32, 239,848.56 and 81,110.88

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Solution

The fourth proportional to 160,132.32, 239,848.56 and 81,110.88 is: 121,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,132.32 : 239,848.56 = 81,110.88 : x
  2. Step 2: Convert to fraction form
    160,132.32/239,848.56 = 81,110.88/x
  3. Step 3: Cross multiply
    160,132.32x = 239,848.56 × 81,110.88
  4. Step 4: Simplify right side
    160,132.32x = 19,454,327,768.33
  5. Step 5: Solve for x
    x = 19,454,327,768.33/160,132.32
  6. Step 6: Final answer
    x = 121,489.08

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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.