Home / 144,345.30-216,080.55-109,061.70

Finding the Fourth Proportional to 144,345.30, 216,080.55 and 109,061.70

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Solution

The fourth proportional to 144,345.30, 216,080.55 and 109,061.70 is: 163,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,345.30 : 216,080.55 = 109,061.70 : x
  2. Step 2: Convert to fraction form
    144,345.30/216,080.55 = 109,061.70/x
  3. Step 3: Cross multiply
    144,345.30x = 216,080.55 × 109,061.70
  4. Step 4: Simplify right side
    144,345.30x = 23,566,112,119.94
  5. Step 5: Solve for x
    x = 23,566,112,119.94/144,345.30
  6. Step 6: Final answer
    x = 163,262.07

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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.