Home / 151,848.86-209,542.17-91,439.06

Finding the Fourth Proportional to 151,848.86, 209,542.17 and 91,439.06

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Solution

The fourth proportional to 151,848.86, 209,542.17 and 91,439.06 is: 126,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848.86 : 209,542.17 = 91,439.06 : x
  2. Step 2: Convert to fraction form
    151,848.86/209,542.17 = 91,439.06/x
  3. Step 3: Cross multiply
    151,848.86x = 209,542.17 × 91,439.06
  4. Step 4: Simplify right side
    151,848.86x = 19,160,339,055.16
  5. Step 5: Solve for x
    x = 19,160,339,055.16/151,848.86
  6. Step 6: Final answer
    x = 126,180.33

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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.