Home / 114,719.28-158,370.18-71,722.68

Finding the Fourth Proportional to 114,719.28, 158,370.18 and 71,722.68

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Solution

The fourth proportional to 114,719.28, 158,370.18 and 71,722.68 is: 99,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.28 : 158,370.18 = 71,722.68 : x
  2. Step 2: Convert to fraction form
    114,719.28/158,370.18 = 71,722.68/x
  3. Step 3: Cross multiply
    114,719.28x = 158,370.18 × 71,722.68
  4. Step 4: Simplify right side
    114,719.28x = 11,358,733,741.68
  5. Step 5: Solve for x
    x = 11,358,733,741.68/114,719.28
  6. Step 6: Final answer
    x = 99,013.29

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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.