Home / 144,560.20-216,878.10-55,816.60

Finding the Fourth Proportional to 144,560.20, 216,878.10 and 55,816.60

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Solution

The fourth proportional to 144,560.20, 216,878.10 and 55,816.60 is: 83,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,560.20 : 216,878.10 = 55,816.60 : x
  2. Step 2: Convert to fraction form
    144,560.20/216,878.10 = 55,816.60/x
  3. Step 3: Cross multiply
    144,560.20x = 216,878.10 × 55,816.60
  4. Step 4: Simplify right side
    144,560.20x = 12,105,398,156.46
  5. Step 5: Solve for x
    x = 12,105,398,156.46/144,560.20
  6. Step 6: Final answer
    x = 83,739.50

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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.