Home / 125,183.22-172,702.17-71,457.54

Finding the Fourth Proportional to 125,183.22, 172,702.17 and 71,457.54

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Solution

The fourth proportional to 125,183.22, 172,702.17 and 71,457.54 is: 98,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,183.22 : 172,702.17 = 71,457.54 : x
  2. Step 2: Convert to fraction form
    125,183.22/172,702.17 = 71,457.54/x
  3. Step 3: Cross multiply
    125,183.22x = 172,702.17 × 71,457.54
  4. Step 4: Simplify right side
    125,183.22x = 12,340,872,220.86
  5. Step 5: Solve for x
    x = 12,340,872,220.86/125,183.22
  6. Step 6: Final answer
    x = 98,582.48

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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.