Home / 114,675.50-158,252.28-64,390.70

Finding the Fourth Proportional to 114,675.50, 158,252.28 and 64,390.70

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Solution

The fourth proportional to 114,675.50, 158,252.28 and 64,390.70 is: 88,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,675.50 : 158,252.28 = 64,390.70 : x
  2. Step 2: Convert to fraction form
    114,675.50/158,252.28 = 64,390.70/x
  3. Step 3: Cross multiply
    114,675.50x = 158,252.28 × 64,390.70
  4. Step 4: Simplify right side
    114,675.50x = 10,189,975,085.80
  5. Step 5: Solve for x
    x = 10,189,975,085.80/114,675.50
  6. Step 6: Final answer
    x = 88,859.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.