Home / 161,694.30-223,154.55-90,085.98

Finding the Fourth Proportional to 161,694.30, 223,154.55 and 90,085.98

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Solution

The fourth proportional to 161,694.30, 223,154.55 and 90,085.98 is: 124,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,694.30 : 223,154.55 = 90,085.98 : x
  2. Step 2: Convert to fraction form
    161,694.30/223,154.55 = 90,085.98/x
  3. Step 3: Cross multiply
    161,694.30x = 223,154.55 × 90,085.98
  4. Step 4: Simplify right side
    161,694.30x = 20,103,096,328.21
  5. Step 5: Solve for x
    x = 20,103,096,328.21/161,694.30
  6. Step 6: Final answer
    x = 124,327.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.