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Finding the Fourth Proportional to 158,725.94, 238,086.28 and 63,953.81

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Solution

The fourth proportional to 158,725.94, 238,086.28 and 63,953.81 is: 95,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,725.94 : 238,086.28 = 63,953.81 : x
  2. Step 2: Convert to fraction form
    158,725.94/238,086.28 = 63,953.81/x
  3. Step 3: Cross multiply
    158,725.94x = 238,086.28 × 63,953.81
  4. Step 4: Simplify right side
    158,725.94x = 15,226,523,364.41
  5. Step 5: Solve for x
    x = 15,226,523,364.41/158,725.94
  6. Step 6: Final answer
    x = 95,929.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.