Home / 121,631.04-182,445.30-38,525.04

Finding the Fourth Proportional to 121,631.04, 182,445.30 and 38,525.04

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Solution

The fourth proportional to 121,631.04, 182,445.30 and 38,525.04 is: 57,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,631.04 : 182,445.30 = 38,525.04 : x
  2. Step 2: Convert to fraction form
    121,631.04/182,445.30 = 38,525.04/x
  3. Step 3: Cross multiply
    121,631.04x = 182,445.30 × 38,525.04
  4. Step 4: Simplify right side
    121,631.04x = 7,028,712,480.31
  5. Step 5: Solve for x
    x = 7,028,712,480.31/121,631.04
  6. Step 6: Final answer
    x = 57,787.16

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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.