Home / 145,494.23-218,240.73-40,312.89

Finding the Fourth Proportional to 145,494.23, 218,240.73 and 40,312.89

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Solution

The fourth proportional to 145,494.23, 218,240.73 and 40,312.89 is: 60,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,494.23 : 218,240.73 = 40,312.89 : x
  2. Step 2: Convert to fraction form
    145,494.23/218,240.73 = 40,312.89/x
  3. Step 3: Cross multiply
    145,494.23x = 218,240.73 × 40,312.89
  4. Step 4: Simplify right side
    145,494.23x = 8,797,914,542.01
  5. Step 5: Solve for x
    x = 8,797,914,542.01/145,494.23
  6. Step 6: Final answer
    x = 60,469.17

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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.