Home / 134,480.20-201,647.40-45,697.72

Finding the Fourth Proportional to 134,480.20, 201,647.40 and 45,697.72

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Solution

The fourth proportional to 134,480.20, 201,647.40 and 45,697.72 is: 68,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,480.20 : 201,647.40 = 45,697.72 : x
  2. Step 2: Convert to fraction form
    134,480.20/201,647.40 = 45,697.72/x
  3. Step 3: Cross multiply
    134,480.20x = 201,647.40 × 45,697.72
  4. Step 4: Simplify right side
    134,480.20x = 9,214,826,423.93
  5. Step 5: Solve for x
    x = 9,214,826,423.93/134,480.20
  6. Step 6: Final answer
    x = 68,521.81

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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.