Home / 121,539.24-182,046.42-118,564.92

Finding the Fourth Proportional to 121,539.24, 182,046.42 and 118,564.92

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Solution

The fourth proportional to 121,539.24, 182,046.42 and 118,564.92 is: 177,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.24 : 182,046.42 = 118,564.92 : x
  2. Step 2: Convert to fraction form
    121,539.24/182,046.42 = 118,564.92/x
  3. Step 3: Cross multiply
    121,539.24x = 182,046.42 × 118,564.92
  4. Step 4: Simplify right side
    121,539.24x = 21,584,319,223.59
  5. Step 5: Solve for x
    x = 21,584,319,223.59/121,539.24
  6. Step 6: Final answer
    x = 177,591.36

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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.