Home / 143,427.60-215,141.40-110,314.80

Finding the Fourth Proportional to 143,427.60, 215,141.40 and 110,314.80

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Solution

The fourth proportional to 143,427.60, 215,141.40 and 110,314.80 is: 165,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,427.60 : 215,141.40 = 110,314.80 : x
  2. Step 2: Convert to fraction form
    143,427.60/215,141.40 = 110,314.80/x
  3. Step 3: Cross multiply
    143,427.60x = 215,141.40 × 110,314.80
  4. Step 4: Simplify right side
    143,427.60x = 23,733,280,512.72
  5. Step 5: Solve for x
    x = 23,733,280,512.72/143,427.60
  6. Step 6: Final answer
    x = 165,472.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.