Home / 161,752.40-223,219.77-89,151.29

Finding the Fourth Proportional to 161,752.40, 223,219.77 and 89,151.29

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Solution

The fourth proportional to 161,752.40, 223,219.77 and 89,151.29 is: 123,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752.40 : 223,219.77 = 89,151.29 : x
  2. Step 2: Convert to fraction form
    161,752.40/223,219.77 = 89,151.29/x
  3. Step 3: Cross multiply
    161,752.40x = 223,219.77 × 89,151.29
  4. Step 4: Simplify right side
    161,752.40x = 19,900,330,449.00
  5. Step 5: Solve for x
    x = 19,900,330,449.00/161,752.40
  6. Step 6: Final answer
    x = 123,029.58

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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.