Home / 173,318.78-239,044.02-112,908.44

Finding the Fourth Proportional to 173,318.78, 239,044.02 and 112,908.44

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Solution

The fourth proportional to 173,318.78, 239,044.02 and 112,908.44 is: 155,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,318.78 : 239,044.02 = 112,908.44 : x
  2. Step 2: Convert to fraction form
    173,318.78/239,044.02 = 112,908.44/x
  3. Step 3: Cross multiply
    173,318.78x = 239,044.02 × 112,908.44
  4. Step 4: Simplify right side
    173,318.78x = 26,990,087,389.53
  5. Step 5: Solve for x
    x = 26,990,087,389.53/173,318.78
  6. Step 6: Final answer
    x = 155,725.12

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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.