Home / 125,130.22-172,684.00-68,541.59

Finding the Fourth Proportional to 125,130.22, 172,684.00 and 68,541.59

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Solution

The fourth proportional to 125,130.22, 172,684.00 and 68,541.59 is: 94,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,130.22 : 172,684.00 = 68,541.59 : x
  2. Step 2: Convert to fraction form
    125,130.22/172,684.00 = 68,541.59/x
  3. Step 3: Cross multiply
    125,130.22x = 172,684.00 × 68,541.59
  4. Step 4: Simplify right side
    125,130.22x = 11,836,036,444.95
  5. Step 5: Solve for x
    x = 11,836,036,444.95/125,130.22
  6. Step 6: Final answer
    x = 94,589.75

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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.