Home / 242,086.50-334,079.37-136,102.50

Finding the Fourth Proportional to 242,086.50, 334,079.37 and 136,102.50

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Solution

The fourth proportional to 242,086.50, 334,079.37 and 136,102.50 is: 187,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,086.50 : 334,079.37 = 136,102.50 : x
  2. Step 2: Convert to fraction form
    242,086.50/334,079.37 = 136,102.50/x
  3. Step 3: Cross multiply
    242,086.50x = 334,079.37 × 136,102.50
  4. Step 4: Simplify right side
    242,086.50x = 45,469,037,455.43
  5. Step 5: Solve for x
    x = 45,469,037,455.43/242,086.50
  6. Step 6: Final answer
    x = 187,821.45

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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.