Home / 121,532.49-182,036.30-118,558.17

Finding the Fourth Proportional to 121,532.49, 182,036.30 and 118,558.17

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Solution

The fourth proportional to 121,532.49, 182,036.30 and 118,558.17 is: 177,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532.49 : 182,036.30 = 118,558.17 : x
  2. Step 2: Convert to fraction form
    121,532.49/182,036.30 = 118,558.17/x
  3. Step 3: Cross multiply
    121,532.49x = 182,036.30 × 118,558.17
  4. Step 4: Simplify right side
    121,532.49x = 21,581,890,008.78
  5. Step 5: Solve for x
    x = 21,581,890,008.78/121,532.49
  6. Step 6: Final answer
    x = 177,581.24

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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.