Home / 115,566.40-173,479.20-89,387.20

Finding the Fourth Proportional to 115,566.40, 173,479.20 and 89,387.20

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Solution

The fourth proportional to 115,566.40, 173,479.20 and 89,387.20 is: 134,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,566.40 : 173,479.20 = 89,387.20 : x
  2. Step 2: Convert to fraction form
    115,566.40/173,479.20 = 89,387.20/x
  3. Step 3: Cross multiply
    115,566.40x = 173,479.20 × 89,387.20
  4. Step 4: Simplify right side
    115,566.40x = 15,506,819,946.24
  5. Step 5: Solve for x
    x = 15,506,819,946.24/115,566.40
  6. Step 6: Final answer
    x = 134,181.04

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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.