Home / 125,002.87-172,504.41-67,642.18

Finding the Fourth Proportional to 125,002.87, 172,504.41 and 67,642.18

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Solution

The fourth proportional to 125,002.87, 172,504.41 and 67,642.18 is: 93,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,002.87 : 172,504.41 = 67,642.18 : x
  2. Step 2: Convert to fraction form
    125,002.87/172,504.41 = 67,642.18/x
  3. Step 3: Cross multiply
    125,002.87x = 172,504.41 × 67,642.18
  4. Step 4: Simplify right side
    125,002.87x = 11,668,575,070.26
  5. Step 5: Solve for x
    x = 11,668,575,070.26/125,002.87
  6. Step 6: Final answer
    x = 93,346.46

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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.