Home / 145,348.05-218,114.46-75,227.37

Finding the Fourth Proportional to 145,348.05, 218,114.46 and 75,227.37

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Solution

The fourth proportional to 145,348.05, 218,114.46 and 75,227.37 is: 112,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,348.05 : 218,114.46 = 75,227.37 : x
  2. Step 2: Convert to fraction form
    145,348.05/218,114.46 = 75,227.37/x
  3. Step 3: Cross multiply
    145,348.05x = 218,114.46 × 75,227.37
  4. Step 4: Simplify right side
    145,348.05x = 16,408,177,184.77
  5. Step 5: Solve for x
    x = 16,408,177,184.77/145,348.05
  6. Step 6: Final answer
    x = 112,888.87

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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.