Home / 122,810.48-169,436.04-69,086.96

Finding the Fourth Proportional to 122,810.48, 169,436.04 and 69,086.96

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Solution

The fourth proportional to 122,810.48, 169,436.04 and 69,086.96 is: 95,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810.48 : 169,436.04 = 69,086.96 : x
  2. Step 2: Convert to fraction form
    122,810.48/169,436.04 = 69,086.96/x
  3. Step 3: Cross multiply
    122,810.48x = 169,436.04 × 69,086.96
  4. Step 4: Simplify right side
    122,810.48x = 11,705,820,918.04
  5. Step 5: Solve for x
    x = 11,705,820,918.04/122,810.48
  6. Step 6: Final answer
    x = 95,316.14

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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.