Home / 210,982.40-316,360.08-84,559.20

Finding the Fourth Proportional to 210,982.40, 316,360.08 and 84,559.20

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Solution

The fourth proportional to 210,982.40, 316,360.08 and 84,559.20 is: 126,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,982.40 : 316,360.08 = 84,559.20 : x
  2. Step 2: Convert to fraction form
    210,982.40/316,360.08 = 84,559.20/x
  3. Step 3: Cross multiply
    210,982.40x = 316,360.08 × 84,559.20
  4. Step 4: Simplify right side
    210,982.40x = 26,751,155,276.74
  5. Step 5: Solve for x
    x = 26,751,155,276.74/210,982.40
  6. Step 6: Final answer
    x = 126,793.30

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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.