Home / 235,985.20-354,029.06-86,225.24

Finding the Fourth Proportional to 235,985.20, 354,029.06 and 86,225.24

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Solution

The fourth proportional to 235,985.20, 354,029.06 and 86,225.24 is: 129,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,985.20 : 354,029.06 = 86,225.24 : x
  2. Step 2: Convert to fraction form
    235,985.20/354,029.06 = 86,225.24/x
  3. Step 3: Cross multiply
    235,985.20x = 354,029.06 × 86,225.24
  4. Step 4: Simplify right side
    235,985.20x = 30,526,241,766.11
  5. Step 5: Solve for x
    x = 30,526,241,766.11/235,985.20
  6. Step 6: Final answer
    x = 129,356.60

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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.