Home / 220,316.16-304,040.96-119,713.28

Finding the Fourth Proportional to 220,316.16, 304,040.96 and 119,713.28

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Solution

The fourth proportional to 220,316.16, 304,040.96 and 119,713.28 is: 165,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,316.16 : 304,040.96 = 119,713.28 : x
  2. Step 2: Convert to fraction form
    220,316.16/304,040.96 = 119,713.28/x
  3. Step 3: Cross multiply
    220,316.16x = 304,040.96 × 119,713.28
  4. Step 4: Simplify right side
    220,316.16x = 36,397,740,575.95
  5. Step 5: Solve for x
    x = 36,397,740,575.95/220,316.16
  6. Step 6: Final answer
    x = 165,206.86

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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.