Home / 158,455.12-218,661.80-94,754.96

Finding the Fourth Proportional to 158,455.12, 218,661.80 and 94,754.96

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Solution

The fourth proportional to 158,455.12, 218,661.80 and 94,754.96 is: 130,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,455.12 : 218,661.80 = 94,754.96 : x
  2. Step 2: Convert to fraction form
    158,455.12/218,661.80 = 94,754.96/x
  3. Step 3: Cross multiply
    158,455.12x = 218,661.80 × 94,754.96
  4. Step 4: Simplify right side
    158,455.12x = 20,719,290,112.53
  5. Step 5: Solve for x
    x = 20,719,290,112.53/158,455.12
  6. Step 6: Final answer
    x = 130,758.10

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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.