Home / 121,521.12-182,287.14-37,275.15

Finding the Fourth Proportional to 121,521.12, 182,287.14 and 37,275.15

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Solution

The fourth proportional to 121,521.12, 182,287.14 and 37,275.15 is: 55,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,521.12 : 182,287.14 = 37,275.15 : x
  2. Step 2: Convert to fraction form
    121,521.12/182,287.14 = 37,275.15/x
  3. Step 3: Cross multiply
    121,521.12x = 182,287.14 × 37,275.15
  4. Step 4: Simplify right side
    121,521.12x = 6,794,780,486.57
  5. Step 5: Solve for x
    x = 6,794,780,486.57/121,521.12
  6. Step 6: Final answer
    x = 55,914.40

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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.