Home / 122,577.81-169,138.98-68,852.55

Finding the Fourth Proportional to 122,577.81, 169,138.98 and 68,852.55

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Solution

The fourth proportional to 122,577.81, 169,138.98 and 68,852.55 is: 95,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,577.81 : 169,138.98 = 68,852.55 : x
  2. Step 2: Convert to fraction form
    122,577.81/169,138.98 = 68,852.55/x
  3. Step 3: Cross multiply
    122,577.81x = 169,138.98 × 68,852.55
  4. Step 4: Simplify right side
    122,577.81x = 11,645,650,077.40
  5. Step 5: Solve for x
    x = 11,645,650,077.40/122,577.81
  6. Step 6: Final answer
    x = 95,006.18

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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.