Home / 124,910.51-172,372.14-71,212.82

Finding the Fourth Proportional to 124,910.51, 172,372.14 and 71,212.82

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Solution

The fourth proportional to 124,910.51, 172,372.14 and 71,212.82 is: 98,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,910.51 : 172,372.14 = 71,212.82 : x
  2. Step 2: Convert to fraction form
    124,910.51/172,372.14 = 71,212.82/x
  3. Step 3: Cross multiply
    124,910.51x = 172,372.14 × 71,212.82
  4. Step 4: Simplify right side
    124,910.51x = 12,275,106,178.83
  5. Step 5: Solve for x
    x = 12,275,106,178.83/124,910.51
  6. Step 6: Final answer
    x = 98,271.20

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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.