Home / 158,684.31-218,785.10-116,169.03

Finding the Fourth Proportional to 158,684.31, 218,785.10 and 116,169.03

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Solution

The fourth proportional to 158,684.31, 218,785.10 and 116,169.03 is: 160,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,684.31 : 218,785.10 = 116,169.03 : x
  2. Step 2: Convert to fraction form
    158,684.31/218,785.10 = 116,169.03/x
  3. Step 3: Cross multiply
    158,684.31x = 218,785.10 × 116,169.03
  4. Step 4: Simplify right side
    158,684.31x = 25,416,052,264.61
  5. Step 5: Solve for x
    x = 25,416,052,264.61/158,684.31
  6. Step 6: Final answer
    x = 160,167.39

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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.