Home / 242,269.78-334,328.95-134,839.85

Finding the Fourth Proportional to 242,269.78, 334,328.95 and 134,839.85

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Solution

The fourth proportional to 242,269.78, 334,328.95 and 134,839.85 is: 186,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,269.78 : 334,328.95 = 134,839.85 : x
  2. Step 2: Convert to fraction form
    242,269.78/334,328.95 = 134,839.85/x
  3. Step 3: Cross multiply
    242,269.78x = 334,328.95 × 134,839.85
  4. Step 4: Simplify right side
    242,269.78x = 45,080,865,468.66
  5. Step 5: Solve for x
    x = 45,080,865,468.66/242,269.78
  6. Step 6: Final answer
    x = 186,077.13

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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.