Home / 153,892.20-230,903.10-83,821.80

Finding the Fourth Proportional to 153,892.20, 230,903.10 and 83,821.80

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Solution

The fourth proportional to 153,892.20, 230,903.10 and 83,821.80 is: 125,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,892.20 : 230,903.10 = 83,821.80 : x
  2. Step 2: Convert to fraction form
    153,892.20/230,903.10 = 83,821.80/x
  3. Step 3: Cross multiply
    153,892.20x = 230,903.10 × 83,821.80
  4. Step 4: Simplify right side
    153,892.20x = 19,354,713,467.58
  5. Step 5: Solve for x
    x = 19,354,713,467.58/153,892.20
  6. Step 6: Final answer
    x = 125,768.00

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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.