Home / 145,327.23-218,003.49-40,146.30

Finding the Fourth Proportional to 145,327.23, 218,003.49 and 40,146.30

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Solution

The fourth proportional to 145,327.23, 218,003.49 and 40,146.30 is: 60,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,327.23 : 218,003.49 = 40,146.30 : x
  2. Step 2: Convert to fraction form
    145,327.23/218,003.49 = 40,146.30/x
  3. Step 3: Cross multiply
    145,327.23x = 218,003.49 × 40,146.30
  4. Step 4: Simplify right side
    145,327.23x = 8,752,033,510.59
  5. Step 5: Solve for x
    x = 8,752,033,510.59/145,327.23
  6. Step 6: Final answer
    x = 60,222.94

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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.