Home / 145,330.20-218,006.10-51,823.80

Finding the Fourth Proportional to 145,330.20, 218,006.10 and 51,823.80

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Solution

The fourth proportional to 145,330.20, 218,006.10 and 51,823.80 is: 77,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,330.20 : 218,006.10 = 51,823.80 : x
  2. Step 2: Convert to fraction form
    145,330.20/218,006.10 = 51,823.80/x
  3. Step 3: Cross multiply
    145,330.20x = 218,006.10 × 51,823.80
  4. Step 4: Simplify right side
    145,330.20x = 11,297,904,525.18
  5. Step 5: Solve for x
    x = 11,297,904,525.18/145,330.20
  6. Step 6: Final answer
    x = 77,739.55

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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.