Home / 144,411.20-199,272.13-79,870.18

Finding the Fourth Proportional to 144,411.20, 199,272.13 and 79,870.18

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Solution

The fourth proportional to 144,411.20, 199,272.13 and 79,870.18 is: 110,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.20 : 199,272.13 = 79,870.18 : x
  2. Step 2: Convert to fraction form
    144,411.20/199,272.13 = 79,870.18/x
  3. Step 3: Cross multiply
    144,411.20x = 199,272.13 × 79,870.18
  4. Step 4: Simplify right side
    144,411.20x = 15,915,901,154.20
  5. Step 5: Solve for x
    x = 15,915,901,154.20/144,411.20
  6. Step 6: Final answer
    x = 110,212.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.