Home / 125,194.38-172,784.79-71,467.26

Finding the Fourth Proportional to 125,194.38, 172,784.79 and 71,467.26

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Solution

The fourth proportional to 125,194.38, 172,784.79 and 71,467.26 is: 98,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,194.38 : 172,784.79 = 71,467.26 : x
  2. Step 2: Convert to fraction form
    125,194.38/172,784.79 = 71,467.26/x
  3. Step 3: Cross multiply
    125,194.38x = 172,784.79 × 71,467.26
  4. Step 4: Simplify right side
    125,194.38x = 12,348,455,510.98
  5. Step 5: Solve for x
    x = 12,348,455,510.98/125,194.38
  6. Step 6: Final answer
    x = 98,634.26

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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.