Home / 161,650.24-223,084.28-90,030.28

Finding the Fourth Proportional to 161,650.24, 223,084.28 and 90,030.28

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Solution

The fourth proportional to 161,650.24, 223,084.28 and 90,030.28 is: 124,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,650.24 : 223,084.28 = 90,030.28 : x
  2. Step 2: Convert to fraction form
    161,650.24/223,084.28 = 90,030.28/x
  3. Step 3: Cross multiply
    161,650.24x = 223,084.28 × 90,030.28
  4. Step 4: Simplify right side
    161,650.24x = 20,084,340,192.00
  5. Step 5: Solve for x
    x = 20,084,340,192.00/161,650.24
  6. Step 6: Final answer
    x = 124,245.66

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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.