Home / 145,026.72-217,481.04-45,153.36

Finding the Fourth Proportional to 145,026.72, 217,481.04 and 45,153.36

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Solution

The fourth proportional to 145,026.72, 217,481.04 and 45,153.36 is: 67,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,026.72 : 217,481.04 = 45,153.36 : x
  2. Step 2: Convert to fraction form
    145,026.72/217,481.04 = 45,153.36/x
  3. Step 3: Cross multiply
    145,026.72x = 217,481.04 × 45,153.36
  4. Step 4: Simplify right side
    145,026.72x = 9,819,999,692.29
  5. Step 5: Solve for x
    x = 9,819,999,692.29/145,026.72
  6. Step 6: Final answer
    x = 67,711.66

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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.