Home / 143,518.40-215,027.04-93,518.72

Finding the Fourth Proportional to 143,518.40, 215,027.04 and 93,518.72

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Solution

The fourth proportional to 143,518.40, 215,027.04 and 93,518.72 is: 140,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,518.40 : 215,027.04 = 93,518.72 : x
  2. Step 2: Convert to fraction form
    143,518.40/215,027.04 = 93,518.72/x
  3. Step 3: Cross multiply
    143,518.40x = 215,027.04 × 93,518.72
  4. Step 4: Simplify right side
    143,518.40x = 20,109,053,546.19
  5. Step 5: Solve for x
    x = 20,109,053,546.19/143,518.40
  6. Step 6: Final answer
    x = 140,114.81

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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.