Home / 121,646.53-167,720.38-93,001.69

Finding the Fourth Proportional to 121,646.53, 167,720.38 and 93,001.69

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Solution

The fourth proportional to 121,646.53, 167,720.38 and 93,001.69 is: 128,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,646.53 : 167,720.38 = 93,001.69 : x
  2. Step 2: Convert to fraction form
    121,646.53/167,720.38 = 93,001.69/x
  3. Step 3: Cross multiply
    121,646.53x = 167,720.38 × 93,001.69
  4. Step 4: Simplify right side
    121,646.53x = 15,598,278,787.44
  5. Step 5: Solve for x
    x = 15,598,278,787.44/121,646.53
  6. Step 6: Final answer
    x = 128,226.25

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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.