Home / 122,635.08-169,237.89-68,916.96

Finding the Fourth Proportional to 122,635.08, 169,237.89 and 68,916.96

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Solution

The fourth proportional to 122,635.08, 169,237.89 and 68,916.96 is: 95,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,635.08 : 169,237.89 = 68,916.96 : x
  2. Step 2: Convert to fraction form
    122,635.08/169,237.89 = 68,916.96/x
  3. Step 3: Cross multiply
    122,635.08x = 169,237.89 × 68,916.96
  4. Step 4: Simplify right side
    122,635.08x = 11,663,360,895.61
  5. Step 5: Solve for x
    x = 11,663,360,895.61/122,635.08
  6. Step 6: Final answer
    x = 95,106.24

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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.