Home / 161,747.24-223,208.18-90,125.74

Finding the Fourth Proportional to 161,747.24, 223,208.18 and 90,125.74

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Solution

The fourth proportional to 161,747.24, 223,208.18 and 90,125.74 is: 124,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.24 : 223,208.18 = 90,125.74 : x
  2. Step 2: Convert to fraction form
    161,747.24/223,208.18 = 90,125.74/x
  3. Step 3: Cross multiply
    161,747.24x = 223,208.18 × 90,125.74
  4. Step 4: Simplify right side
    161,747.24x = 20,116,801,280.51
  5. Step 5: Solve for x
    x = 20,116,801,280.51/161,747.24
  6. Step 6: Final answer
    x = 124,371.84

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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.