Home / 114,708.78-158,355.68-71,712.16

Finding the Fourth Proportional to 114,708.78, 158,355.68 and 71,712.16

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Solution

The fourth proportional to 114,708.78, 158,355.68 and 71,712.16 is: 98,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.78 : 158,355.68 = 71,712.16 : x
  2. Step 2: Convert to fraction form
    114,708.78/158,355.68 = 71,712.16/x
  3. Step 3: Cross multiply
    114,708.78x = 158,355.68 × 71,712.16
  4. Step 4: Simplify right side
    114,708.78x = 11,356,027,106.62
  5. Step 5: Solve for x
    x = 11,356,027,106.62/114,708.78
  6. Step 6: Final answer
    x = 98,998.76

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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.