Home / 134,707.85-202,061.78-87,468.65

Finding the Fourth Proportional to 134,707.85, 202,061.78 and 87,468.65

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Solution

The fourth proportional to 134,707.85, 202,061.78 and 87,468.65 is: 131,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,707.85 : 202,061.78 = 87,468.65 : x
  2. Step 2: Convert to fraction form
    134,707.85/202,061.78 = 87,468.65/x
  3. Step 3: Cross multiply
    134,707.85x = 202,061.78 × 87,468.65
  4. Step 4: Simplify right side
    134,707.85x = 17,674,070,675.85
  5. Step 5: Solve for x
    x = 17,674,070,675.85/134,707.85
  6. Step 6: Final answer
    x = 131,202.98

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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.