Home / 243,721.72-336,329.68-134,823.22

Finding the Fourth Proportional to 243,721.72, 336,329.68 and 134,823.22

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Solution

The fourth proportional to 243,721.72, 336,329.68 and 134,823.22 is: 186,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721.72 : 336,329.68 = 134,823.22 : x
  2. Step 2: Convert to fraction form
    243,721.72/336,329.68 = 134,823.22/x
  3. Step 3: Cross multiply
    243,721.72x = 336,329.68 × 134,823.22
  4. Step 4: Simplify right side
    243,721.72x = 45,345,050,439.17
  5. Step 5: Solve for x
    x = 45,345,050,439.17/243,721.72
  6. Step 6: Final answer
    x = 186,052.56

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1.5x scale

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.