Home / 144,624.20-216,968.70-55,869.80

Finding the Fourth Proportional to 144,624.20, 216,968.70 and 55,869.80

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Solution

The fourth proportional to 144,624.20, 216,968.70 and 55,869.80 is: 83,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.20 : 216,968.70 = 55,869.80 : x
  2. Step 2: Convert to fraction form
    144,624.20/216,968.70 = 55,869.80/x
  3. Step 3: Cross multiply
    144,624.20x = 216,968.70 × 55,869.80
  4. Step 4: Simplify right side
    144,624.20x = 12,121,997,875.26
  5. Step 5: Solve for x
    x = 12,121,997,875.26/144,624.20
  6. Step 6: Final answer
    x = 83,817.22

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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.