Home / 161,677.76-223,085.74-90,055.96

Finding the Fourth Proportional to 161,677.76, 223,085.74 and 90,055.96

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Solution

The fourth proportional to 161,677.76, 223,085.74 and 90,055.96 is: 124,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677.76 : 223,085.74 = 90,055.96 : x
  2. Step 2: Convert to fraction form
    161,677.76/223,085.74 = 90,055.96/x
  3. Step 3: Cross multiply
    161,677.76x = 223,085.74 × 90,055.96
  4. Step 4: Simplify right side
    161,677.76x = 20,090,200,478.01
  5. Step 5: Solve for x
    x = 20,090,200,478.01/161,677.76
  6. Step 6: Final answer
    x = 124,260.75

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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.