Home / 122,926.66-169,644.02-68,478.76

Finding the Fourth Proportional to 122,926.66, 169,644.02 and 68,478.76

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Solution

The fourth proportional to 122,926.66, 169,644.02 and 68,478.76 is: 94,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,926.66 : 169,644.02 = 68,478.76 : x
  2. Step 2: Convert to fraction form
    122,926.66/169,644.02 = 68,478.76/x
  3. Step 3: Cross multiply
    122,926.66x = 169,644.02 × 68,478.76
  4. Step 4: Simplify right side
    122,926.66x = 11,617,011,788.62
  5. Step 5: Solve for x
    x = 11,617,011,788.62/122,926.66
  6. Step 6: Final answer
    x = 94,503.60

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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.