Home / 242,981.12-335,272.41-140,983.20

Finding the Fourth Proportional to 242,981.12, 335,272.41 and 140,983.20

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Solution

The fourth proportional to 242,981.12, 335,272.41 and 140,983.20 is: 194,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,981.12 : 335,272.41 = 140,983.20 : x
  2. Step 2: Convert to fraction form
    242,981.12/335,272.41 = 140,983.20/x
  3. Step 3: Cross multiply
    242,981.12x = 335,272.41 × 140,983.20
  4. Step 4: Simplify right side
    242,981.12x = 47,267,777,233.51
  5. Step 5: Solve for x
    x = 47,267,777,233.51/242,981.12
  6. Step 6: Final answer
    x = 194,532.71

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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.