Home / 122,973.92-169,719.48-69,269.12

Finding the Fourth Proportional to 122,973.92, 169,719.48 and 69,269.12

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Solution

The fourth proportional to 122,973.92, 169,719.48 and 69,269.12 is: 95,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,973.92 : 169,719.48 = 69,269.12 : x
  2. Step 2: Convert to fraction form
    122,973.92/169,719.48 = 69,269.12/x
  3. Step 3: Cross multiply
    122,973.92x = 169,719.48 × 69,269.12
  4. Step 4: Simplify right side
    122,973.92x = 11,756,319,026.46
  5. Step 5: Solve for x
    x = 11,756,319,026.46/122,973.92
  6. Step 6: Final answer
    x = 95,600.10

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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.