Home / 122,948.32-169,664.12-68,499.20

Finding the Fourth Proportional to 122,948.32, 169,664.12 and 68,499.20

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Solution

The fourth proportional to 122,948.32, 169,664.12 and 68,499.20 is: 94,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.32 : 169,664.12 = 68,499.20 : x
  2. Step 2: Convert to fraction form
    122,948.32/169,664.12 = 68,499.20/x
  3. Step 3: Cross multiply
    122,948.32x = 169,664.12 × 68,499.20
  4. Step 4: Simplify right side
    122,948.32x = 11,621,856,488.70
  5. Step 5: Solve for x
    x = 11,621,856,488.70/122,948.32
  6. Step 6: Final answer
    x = 94,526.35

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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.