Home / 124,394.10-171,663.92-70,679.20

Finding the Fourth Proportional to 124,394.10, 171,663.92 and 70,679.20

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Solution

The fourth proportional to 124,394.10, 171,663.92 and 70,679.20 is: 97,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394.10 : 171,663.92 = 70,679.20 : x
  2. Step 2: Convert to fraction form
    124,394.10/171,663.92 = 70,679.20/x
  3. Step 3: Cross multiply
    124,394.10x = 171,663.92 × 70,679.20
  4. Step 4: Simplify right side
    124,394.10x = 12,133,068,534.46
  5. Step 5: Solve for x
    x = 12,133,068,534.46/124,394.10
  6. Step 6: Final answer
    x = 97,537.33

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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.