Home / 144,683.20-199,677.28-83,431.04

Finding the Fourth Proportional to 144,683.20, 199,677.28 and 83,431.04

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Solution

The fourth proportional to 144,683.20, 199,677.28 and 83,431.04 is: 115,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,683.20 : 199,677.28 = 83,431.04 : x
  2. Step 2: Convert to fraction form
    144,683.20/199,677.28 = 83,431.04/x
  3. Step 3: Cross multiply
    144,683.20x = 199,677.28 × 83,431.04
  4. Step 4: Simplify right side
    144,683.20x = 16,659,283,134.77
  5. Step 5: Solve for x
    x = 16,659,283,134.77/144,683.20
  6. Step 6: Final answer
    x = 115,143.18

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1.5x scale

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.