Home / 115,544.40-173,446.20-89,365.20

Finding the Fourth Proportional to 115,544.40, 173,446.20 and 89,365.20

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Solution

The fourth proportional to 115,544.40, 173,446.20 and 89,365.20 is: 134,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,544.40 : 173,446.20 = 89,365.20 : x
  2. Step 2: Convert to fraction form
    115,544.40/173,446.20 = 89,365.20/x
  3. Step 3: Cross multiply
    115,544.40x = 173,446.20 × 89,365.20
  4. Step 4: Simplify right side
    115,544.40x = 15,500,054,352.24
  5. Step 5: Solve for x
    x = 15,500,054,352.24/115,544.40
  6. Step 6: Final answer
    x = 134,148.04

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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.