Home / 125,240.16-172,843.38-71,533.20

Finding the Fourth Proportional to 125,240.16, 172,843.38 and 71,533.20

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Solution

The fourth proportional to 125,240.16, 172,843.38 and 71,533.20 is: 98,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,240.16 : 172,843.38 = 71,533.20 : x
  2. Step 2: Convert to fraction form
    125,240.16/172,843.38 = 71,533.20/x
  3. Step 3: Cross multiply
    125,240.16x = 172,843.38 × 71,533.20
  4. Step 4: Simplify right side
    125,240.16x = 12,364,040,070.22
  5. Step 5: Solve for x
    x = 12,364,040,070.22/125,240.16
  6. Step 6: Final answer
    x = 98,722.65

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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.