Home / 125,350.55-172,995.60-71,625.16

Finding the Fourth Proportional to 125,350.55, 172,995.60 and 71,625.16

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Solution

The fourth proportional to 125,350.55, 172,995.60 and 71,625.16 is: 98,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,350.55 : 172,995.60 = 71,625.16 : x
  2. Step 2: Convert to fraction form
    125,350.55/172,995.60 = 71,625.16/x
  3. Step 3: Cross multiply
    125,350.55x = 172,995.60 × 71,625.16
  4. Step 4: Simplify right side
    125,350.55x = 12,390,837,611.24
  5. Step 5: Solve for x
    x = 12,390,837,611.24/125,350.55
  6. Step 6: Final answer
    x = 98,849.48

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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.