Home / 151,842.33-209,533.23-91,432.53

Finding the Fourth Proportional to 151,842.33, 209,533.23 and 91,432.53

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Solution

The fourth proportional to 151,842.33, 209,533.23 and 91,432.53 is: 126,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,842.33 : 209,533.23 = 91,432.53 : x
  2. Step 2: Convert to fraction form
    151,842.33/209,533.23 = 91,432.53/x
  3. Step 3: Cross multiply
    151,842.33x = 209,533.23 × 91,432.53
  4. Step 4: Simplify right side
    151,842.33x = 19,158,153,337.97
  5. Step 5: Solve for x
    x = 19,158,153,337.97/151,842.33
  6. Step 6: Final answer
    x = 126,171.36

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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.