Home / 124,900.26-172,365.30-71,190.30

Finding the Fourth Proportional to 124,900.26, 172,365.30 and 71,190.30

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Solution

The fourth proportional to 124,900.26, 172,365.30 and 71,190.30 is: 98,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.26 : 172,365.30 = 71,190.30 : x
  2. Step 2: Convert to fraction form
    124,900.26/172,365.30 = 71,190.30/x
  3. Step 3: Cross multiply
    124,900.26x = 172,365.30 × 71,190.30
  4. Step 4: Simplify right side
    124,900.26x = 12,270,737,416.59
  5. Step 5: Solve for x
    x = 12,270,737,416.59/124,900.26
  6. Step 6: Final answer
    x = 98,244.29

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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.