Home / 120,005.56-179,617.70-88,403.20

Finding the Fourth Proportional to 120,005.56, 179,617.70 and 88,403.20

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Solution

The fourth proportional to 120,005.56, 179,617.70 and 88,403.20 is: 132,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,005.56 : 179,617.70 = 88,403.20 : x
  2. Step 2: Convert to fraction form
    120,005.56/179,617.70 = 88,403.20/x
  3. Step 3: Cross multiply
    120,005.56x = 179,617.70 × 88,403.20
  4. Step 4: Simplify right side
    120,005.56x = 15,878,779,456.64
  5. Step 5: Solve for x
    x = 15,878,779,456.64/120,005.56
  6. Step 6: Final answer
    x = 132,317.03

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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.