Home / 218,713.23-328,069.84-125,152.83

Finding the Fourth Proportional to 218,713.23, 328,069.84 and 125,152.83

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Solution

The fourth proportional to 218,713.23, 328,069.84 and 125,152.83 is: 187,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,713.23 : 328,069.84 = 125,152.83 : x
  2. Step 2: Convert to fraction form
    218,713.23/328,069.84 = 125,152.83/x
  3. Step 3: Cross multiply
    218,713.23x = 328,069.84 × 125,152.83
  4. Step 4: Simplify right side
    218,713.23x = 41,058,868,913.65
  5. Step 5: Solve for x
    x = 41,058,868,913.65/218,713.23
  6. Step 6: Final answer
    x = 187,729.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.