Home / 133,534.20-200,009.70-103,718.10

Finding the Fourth Proportional to 133,534.20, 200,009.70 and 103,718.10

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Solution

The fourth proportional to 133,534.20, 200,009.70 and 103,718.10 is: 155,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,534.20 : 200,009.70 = 103,718.10 : x
  2. Step 2: Convert to fraction form
    133,534.20/200,009.70 = 103,718.10/x
  3. Step 3: Cross multiply
    133,534.20x = 200,009.70 × 103,718.10
  4. Step 4: Simplify right side
    133,534.20x = 20,744,626,065.57
  5. Step 5: Solve for x
    x = 20,744,626,065.57/133,534.20
  6. Step 6: Final answer
    x = 155,350.66

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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.