Home / 125,114.24-172,670.06-71,407.39

Finding the Fourth Proportional to 125,114.24, 172,670.06 and 71,407.39

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Solution

The fourth proportional to 125,114.24, 172,670.06 and 71,407.39 is: 98,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,114.24 : 172,670.06 = 71,407.39 : x
  2. Step 2: Convert to fraction form
    125,114.24/172,670.06 = 71,407.39/x
  3. Step 3: Cross multiply
    125,114.24x = 172,670.06 × 71,407.39
  4. Step 4: Simplify right side
    125,114.24x = 12,329,917,095.36
  5. Step 5: Solve for x
    x = 12,329,917,095.36/125,114.24
  6. Step 6: Final answer
    x = 98,549.27

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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.