Home / 122,905.83-169,597.93-68,456.18

Finding the Fourth Proportional to 122,905.83, 169,597.93 and 68,456.18

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Solution

The fourth proportional to 122,905.83, 169,597.93 and 68,456.18 is: 94,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,905.83 : 169,597.93 = 68,456.18 : x
  2. Step 2: Convert to fraction form
    122,905.83/169,597.93 = 68,456.18/x
  3. Step 3: Cross multiply
    122,905.83x = 169,597.93 × 68,456.18
  4. Step 4: Simplify right side
    122,905.83x = 11,610,026,423.71
  5. Step 5: Solve for x
    x = 11,610,026,423.71/122,905.83
  6. Step 6: Final answer
    x = 94,462.78

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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.