Home / 161,675.78-223,116.48-90,056.97

Finding the Fourth Proportional to 161,675.78, 223,116.48 and 90,056.97

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Solution

The fourth proportional to 161,675.78, 223,116.48 and 90,056.97 is: 124,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,675.78 : 223,116.48 = 90,056.97 : x
  2. Step 2: Convert to fraction form
    161,675.78/223,116.48 = 90,056.97/x
  3. Step 3: Cross multiply
    161,675.78x = 223,116.48 × 90,056.97
  4. Step 4: Simplify right side
    161,675.78x = 20,093,194,145.87
  5. Step 5: Solve for x
    x = 20,093,194,145.87/161,675.78
  6. Step 6: Final answer
    x = 124,280.80

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1.5x scale

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.