Home / 124,741.30-172,143.18-71,026.36

Finding the Fourth Proportional to 124,741.30, 172,143.18 and 71,026.36

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Solution

The fourth proportional to 124,741.30, 172,143.18 and 71,026.36 is: 98,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.30 : 172,143.18 = 71,026.36 : x
  2. Step 2: Convert to fraction form
    124,741.30/172,143.18 = 71,026.36/x
  3. Step 3: Cross multiply
    124,741.30x = 172,143.18 × 71,026.36
  4. Step 4: Simplify right side
    124,741.30x = 12,226,703,474.22
  5. Step 5: Solve for x
    x = 12,226,703,474.22/124,741.30
  6. Step 6: Final answer
    x = 98,016.48

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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.