Home / 169,746.10-254,674.43-80,988.13

Finding the Fourth Proportional to 169,746.10, 254,674.43 and 80,988.13

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Solution

The fourth proportional to 169,746.10, 254,674.43 and 80,988.13 is: 121,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,746.10 : 254,674.43 = 80,988.13 : x
  2. Step 2: Convert to fraction form
    169,746.10/254,674.43 = 80,988.13/x
  3. Step 3: Cross multiply
    169,746.10x = 254,674.43 × 80,988.13
  4. Step 4: Simplify right side
    169,746.10x = 20,625,605,844.52
  5. Step 5: Solve for x
    x = 20,625,605,844.52/169,746.10
  6. Step 6: Final answer
    x = 121,508.57

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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.