Home / 144,288.12-216,443.04-43,078.17

Finding the Fourth Proportional to 144,288.12, 216,443.04 and 43,078.17

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Solution

The fourth proportional to 144,288.12, 216,443.04 and 43,078.17 is: 64,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.12 : 216,443.04 = 43,078.17 : x
  2. Step 2: Convert to fraction form
    144,288.12/216,443.04 = 43,078.17/x
  3. Step 3: Cross multiply
    144,288.12x = 216,443.04 × 43,078.17
  4. Step 4: Simplify right side
    144,288.12x = 9,323,970,072.44
  5. Step 5: Solve for x
    x = 9,323,970,072.44/144,288.12
  6. Step 6: Final answer
    x = 64,620.50

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1.5x scale

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.