Home / 243,721.59-336,329.51-134,823.09

Finding the Fourth Proportional to 243,721.59, 336,329.51 and 134,823.09

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Solution

The fourth proportional to 243,721.59, 336,329.51 and 134,823.09 is: 186,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721.59 : 336,329.51 = 134,823.09 : x
  2. Step 2: Convert to fraction form
    243,721.59/336,329.51 = 134,823.09/x
  3. Step 3: Cross multiply
    243,721.59x = 336,329.51 × 134,823.09
  4. Step 4: Simplify right side
    243,721.59x = 45,344,983,122.27
  5. Step 5: Solve for x
    x = 45,344,983,122.27/243,721.59
  6. Step 6: Final answer
    x = 186,052.39

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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.