Home / 175,278.20-263,090.10-86,631.80

Finding the Fourth Proportional to 175,278.20, 263,090.10 and 86,631.80

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Solution

The fourth proportional to 175,278.20, 263,090.10 and 86,631.80 is: 130,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,278.20 : 263,090.10 = 86,631.80 : x
  2. Step 2: Convert to fraction form
    175,278.20/263,090.10 = 86,631.80/x
  3. Step 3: Cross multiply
    175,278.20x = 263,090.10 × 86,631.80
  4. Step 4: Simplify right side
    175,278.20x = 22,791,968,925.18
  5. Step 5: Solve for x
    x = 22,791,968,925.18/175,278.20
  6. Step 6: Final answer
    x = 130,033.11

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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.