Home / 134,541.70-201,668.55-45,712.90

Finding the Fourth Proportional to 134,541.70, 201,668.55 and 45,712.90

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Solution

The fourth proportional to 134,541.70, 201,668.55 and 45,712.90 is: 68,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,541.70 : 201,668.55 = 45,712.90 : x
  2. Step 2: Convert to fraction form
    134,541.70/201,668.55 = 45,712.90/x
  3. Step 3: Cross multiply
    134,541.70x = 201,668.55 × 45,712.90
  4. Step 4: Simplify right side
    134,541.70x = 9,218,854,259.30
  5. Step 5: Solve for x
    x = 9,218,854,259.30/134,541.70
  6. Step 6: Final answer
    x = 68,520.42

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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.