Home / 153,785.20-230,742.60-83,714.80

Finding the Fourth Proportional to 153,785.20, 230,742.60 and 83,714.80

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Solution

The fourth proportional to 153,785.20, 230,742.60 and 83,714.80 is: 125,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,785.20 : 230,742.60 = 83,714.80 : x
  2. Step 2: Convert to fraction form
    153,785.20/230,742.60 = 83,714.80/x
  3. Step 3: Cross multiply
    153,785.20x = 230,742.60 × 83,714.80
  4. Step 4: Simplify right side
    153,785.20x = 19,316,570,610.48
  5. Step 5: Solve for x
    x = 19,316,570,610.48/153,785.20
  6. Step 6: Final answer
    x = 125,607.47

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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.