Home / 143,251.63-214,877.23-38,070.61

Finding the Fourth Proportional to 143,251.63, 214,877.23 and 38,070.61

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Solution

The fourth proportional to 143,251.63, 214,877.23 and 38,070.61 is: 57,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251.63 : 214,877.23 = 38,070.61 : x
  2. Step 2: Convert to fraction form
    143,251.63/214,877.23 = 38,070.61/x
  3. Step 3: Cross multiply
    143,251.63x = 214,877.23 × 38,070.61
  4. Step 4: Simplify right side
    143,251.63x = 8,180,506,588.84
  5. Step 5: Solve for x
    x = 8,180,506,588.84/143,251.63
  6. Step 6: Final answer
    x = 57,105.85

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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.