Home / 161,679.60-223,106.38-89,079.32

Finding the Fourth Proportional to 161,679.60, 223,106.38 and 89,079.32

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Solution

The fourth proportional to 161,679.60, 223,106.38 and 89,079.32 is: 122,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,679.60 : 223,106.38 = 89,079.32 : x
  2. Step 2: Convert to fraction form
    161,679.60/223,106.38 = 89,079.32/x
  3. Step 3: Cross multiply
    161,679.60x = 223,106.38 × 89,079.32
  4. Step 4: Simplify right side
    161,679.60x = 19,874,164,618.06
  5. Step 5: Solve for x
    x = 19,874,164,618.06/161,679.60
  6. Step 6: Final answer
    x = 122,923.14

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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.