Home / 161,682.48-223,125.84-90,061.20

Finding the Fourth Proportional to 161,682.48, 223,125.84 and 90,061.20

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Solution

The fourth proportional to 161,682.48, 223,125.84 and 90,061.20 is: 124,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,682.48 : 223,125.84 = 90,061.20 : x
  2. Step 2: Convert to fraction form
    161,682.48/223,125.84 = 90,061.20/x
  3. Step 3: Cross multiply
    161,682.48x = 223,125.84 × 90,061.20
  4. Step 4: Simplify right side
    161,682.48x = 20,094,980,901.41
  5. Step 5: Solve for x
    x = 20,094,980,901.41/161,682.48
  6. Step 6: Final answer
    x = 124,286.69

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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.