Home / 119,517.12-179,386.56-60,394.28

Finding the Fourth Proportional to 119,517.12, 179,386.56 and 60,394.28

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Solution

The fourth proportional to 119,517.12, 179,386.56 and 60,394.28 is: 90,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,517.12 : 179,386.56 = 60,394.28 : x
  2. Step 2: Convert to fraction form
    119,517.12/179,386.56 = 60,394.28/x
  3. Step 3: Cross multiply
    119,517.12x = 179,386.56 × 60,394.28
  4. Step 4: Simplify right side
    119,517.12x = 10,833,922,132.88
  5. Step 5: Solve for x
    x = 10,833,922,132.88/119,517.12
  6. Step 6: Final answer
    x = 90,647.45

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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.