Home / 175,234.20-262,916.10-70,128.60

Finding the Fourth Proportional to 175,234.20, 262,916.10 and 70,128.60

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Solution

The fourth proportional to 175,234.20, 262,916.10 and 70,128.60 is: 105,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,234.20 : 262,916.10 = 70,128.60 : x
  2. Step 2: Convert to fraction form
    175,234.20/262,916.10 = 70,128.60/x
  3. Step 3: Cross multiply
    175,234.20x = 262,916.10 × 70,128.60
  4. Step 4: Simplify right side
    175,234.20x = 18,437,938,010.46
  5. Step 5: Solve for x
    x = 18,437,938,010.46/175,234.20
  6. Step 6: Final answer
    x = 105,218.83

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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.