Home / 125,344.45-172,990.65-71,617.15

Finding the Fourth Proportional to 125,344.45, 172,990.65 and 71,617.15

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Solution

The fourth proportional to 125,344.45, 172,990.65 and 71,617.15 is: 98,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,344.45 : 172,990.65 = 71,617.15 : x
  2. Step 2: Convert to fraction form
    125,344.45/172,990.65 = 71,617.15/x
  3. Step 3: Cross multiply
    125,344.45x = 172,990.65 × 71,617.15
  4. Step 4: Simplify right side
    125,344.45x = 12,389,097,329.65
  5. Step 5: Solve for x
    x = 12,389,097,329.65/125,344.45
  6. Step 6: Final answer
    x = 98,840.41

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1.5x scale

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.