Home / 169,947.10-254,920.65-81,373.60

Finding the Fourth Proportional to 169,947.10, 254,920.65 and 81,373.60

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Solution

The fourth proportional to 169,947.10, 254,920.65 and 81,373.60 is: 122,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,947.10 : 254,920.65 = 81,373.60 : x
  2. Step 2: Convert to fraction form
    169,947.10/254,920.65 = 81,373.60/x
  3. Step 3: Cross multiply
    169,947.10x = 254,920.65 × 81,373.60
  4. Step 4: Simplify right side
    169,947.10x = 20,743,811,004.84
  5. Step 5: Solve for x
    x = 20,743,811,004.84/169,947.10
  6. Step 6: Final answer
    x = 122,060.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.