Home / 161,641.04-223,055.86-89,029.80

Finding the Fourth Proportional to 161,641.04, 223,055.86 and 89,029.80

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Solution

The fourth proportional to 161,641.04, 223,055.86 and 89,029.80 is: 122,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,641.04 : 223,055.86 = 89,029.80 : x
  2. Step 2: Convert to fraction form
    161,641.04/223,055.86 = 89,029.80/x
  3. Step 3: Cross multiply
    161,641.04x = 223,055.86 × 89,029.80
  4. Step 4: Simplify right side
    161,641.04x = 19,858,618,604.63
  5. Step 5: Solve for x
    x = 19,858,618,604.63/161,641.04
  6. Step 6: Final answer
    x = 122,856.29

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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.