Home / 134,527.20-201,528.36-81,805.92

Finding the Fourth Proportional to 134,527.20, 201,528.36 and 81,805.92

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Solution

The fourth proportional to 134,527.20, 201,528.36 and 81,805.92 is: 122,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,527.20 : 201,528.36 = 81,805.92 : x
  2. Step 2: Convert to fraction form
    134,527.20/201,528.36 = 81,805.92/x
  3. Step 3: Cross multiply
    134,527.20x = 201,528.36 × 81,805.92
  4. Step 4: Simplify right side
    134,527.20x = 16,486,212,895.89
  5. Step 5: Solve for x
    x = 16,486,212,895.89/134,527.20
  6. Step 6: Final answer
    x = 122,549.29

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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.