Home / 134,759.80-202,139.70-92,769.40

Finding the Fourth Proportional to 134,759.80, 202,139.70 and 92,769.40

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Solution

The fourth proportional to 134,759.80, 202,139.70 and 92,769.40 is: 139,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,759.80 : 202,139.70 = 92,769.40 : x
  2. Step 2: Convert to fraction form
    134,759.80/202,139.70 = 92,769.40/x
  3. Step 3: Cross multiply
    134,759.80x = 202,139.70 × 92,769.40
  4. Step 4: Simplify right side
    134,759.80x = 18,752,378,685.18
  5. Step 5: Solve for x
    x = 18,752,378,685.18/134,759.80
  6. Step 6: Final answer
    x = 139,154.10

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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.