Home / 121,534.49-182,039.29-118,560.17

Finding the Fourth Proportional to 121,534.49, 182,039.29 and 118,560.17

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Solution

The fourth proportional to 121,534.49, 182,039.29 and 118,560.17 is: 177,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,534.49 : 182,039.29 = 118,560.17 : x
  2. Step 2: Convert to fraction form
    121,534.49/182,039.29 = 118,560.17/x
  3. Step 3: Cross multiply
    121,534.49x = 182,039.29 × 118,560.17
  4. Step 4: Simplify right side
    121,534.49x = 21,582,609,169.08
  5. Step 5: Solve for x
    x = 21,582,609,169.08/121,534.49
  6. Step 6: Final answer
    x = 177,584.23

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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.