Home / 175,081.60-262,622.40-86,508.10

Finding the Fourth Proportional to 175,081.60, 262,622.40 and 86,508.10

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Solution

The fourth proportional to 175,081.60, 262,622.40 and 86,508.10 is: 129,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,081.60 : 262,622.40 = 86,508.10 : x
  2. Step 2: Convert to fraction form
    175,081.60/262,622.40 = 86,508.10/x
  3. Step 3: Cross multiply
    175,081.60x = 262,622.40 × 86,508.10
  4. Step 4: Simplify right side
    175,081.60x = 22,718,964,841.44
  5. Step 5: Solve for x
    x = 22,718,964,841.44/175,081.60
  6. Step 6: Final answer
    x = 129,762.15

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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.