Home / 143,200.20-197,562.65-88,727.50

Finding the Fourth Proportional to 143,200.20, 197,562.65 and 88,727.50

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Solution

The fourth proportional to 143,200.20, 197,562.65 and 88,727.50 is: 122,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,200.20 : 197,562.65 = 88,727.50 : x
  2. Step 2: Convert to fraction form
    143,200.20/197,562.65 = 88,727.50/x
  3. Step 3: Cross multiply
    143,200.20x = 197,562.65 × 88,727.50
  4. Step 4: Simplify right side
    143,200.20x = 17,529,239,831.19
  5. Step 5: Solve for x
    x = 17,529,239,831.19/143,200.20
  6. Step 6: Final answer
    x = 122,410.72

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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.