Home / 242,923.04-335,143.41-140,891.28

Finding the Fourth Proportional to 242,923.04, 335,143.41 and 140,891.28

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Solution

The fourth proportional to 242,923.04, 335,143.41 and 140,891.28 is: 194,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.04 : 335,143.41 = 140,891.28 : x
  2. Step 2: Convert to fraction form
    242,923.04/335,143.41 = 140,891.28/x
  3. Step 3: Cross multiply
    242,923.04x = 335,143.41 × 140,891.28
  4. Step 4: Simplify right side
    242,923.04x = 47,218,784,018.46
  5. Step 5: Solve for x
    x = 47,218,784,018.46/242,923.04
  6. Step 6: Final answer
    x = 194,377.55

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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.