Home / 134,400.15-201,624.53-67,672.35

Finding the Fourth Proportional to 134,400.15, 201,624.53 and 67,672.35

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Solution

The fourth proportional to 134,400.15, 201,624.53 and 67,672.35 is: 101,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,400.15 : 201,624.53 = 67,672.35 : x
  2. Step 2: Convert to fraction form
    134,400.15/201,624.53 = 67,672.35/x
  3. Step 3: Cross multiply
    134,400.15x = 201,624.53 × 67,672.35
  4. Step 4: Simplify right side
    134,400.15x = 13,644,405,424.38
  5. Step 5: Solve for x
    x = 13,644,405,424.38/134,400.15
  6. Step 6: Final answer
    x = 101,520.76

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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.