Home / 121,690.90-182,557.05-37,449.15

Finding the Fourth Proportional to 121,690.90, 182,557.05 and 37,449.15

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Solution

The fourth proportional to 121,690.90, 182,557.05 and 37,449.15 is: 56,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,690.90 : 182,557.05 = 37,449.15 : x
  2. Step 2: Convert to fraction form
    121,690.90/182,557.05 = 37,449.15/x
  3. Step 3: Cross multiply
    121,690.90x = 182,557.05 × 37,449.15
  4. Step 4: Simplify right side
    121,690.90x = 6,836,606,349.01
  5. Step 5: Solve for x
    x = 6,836,606,349.01/121,690.90
  6. Step 6: Final answer
    x = 56,180.10

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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.