Home / 144,564.20-216,878.70-55,809.80

Finding the Fourth Proportional to 144,564.20, 216,878.70 and 55,809.80

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Solution

The fourth proportional to 144,564.20, 216,878.70 and 55,809.80 is: 83,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.20 : 216,878.70 = 55,809.80 : x
  2. Step 2: Convert to fraction form
    144,564.20/216,878.70 = 55,809.80/x
  3. Step 3: Cross multiply
    144,564.20x = 216,878.70 × 55,809.80
  4. Step 4: Simplify right side
    144,564.20x = 12,103,956,871.26
  5. Step 5: Solve for x
    x = 12,103,956,871.26/144,564.20
  6. Step 6: Final answer
    x = 83,727.21

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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.