Home / 143,572.32-214,833.60-84,435.84

Finding the Fourth Proportional to 143,572.32, 214,833.60 and 84,435.84

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Solution

The fourth proportional to 143,572.32, 214,833.60 and 84,435.84 is: 126,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,572.32 : 214,833.60 = 84,435.84 : x
  2. Step 2: Convert to fraction form
    143,572.32/214,833.60 = 84,435.84/x
  3. Step 3: Cross multiply
    143,572.32x = 214,833.60 × 84,435.84
  4. Step 4: Simplify right side
    143,572.32x = 18,139,655,476.22
  5. Step 5: Solve for x
    x = 18,139,655,476.22/143,572.32
  6. Step 6: Final answer
    x = 126,345.07

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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.