Home / 114,717.28-158,367.40-71,720.66

Finding the Fourth Proportional to 114,717.28, 158,367.40 and 71,720.66

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Solution

The fourth proportional to 114,717.28, 158,367.40 and 71,720.66 is: 99,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,717.28 : 158,367.40 = 71,720.66 : x
  2. Step 2: Convert to fraction form
    114,717.28/158,367.40 = 71,720.66/x
  3. Step 3: Cross multiply
    114,717.28x = 158,367.40 × 71,720.66
  4. Step 4: Simplify right side
    114,717.28x = 11,358,214,450.48
  5. Step 5: Solve for x
    x = 11,358,214,450.48/114,717.28
  6. Step 6: Final answer
    x = 99,010.49

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1.5x scale

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.