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Finding the Fourth Proportional to 158,792.64, 238,007.76 and 63,962.09

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Solution

The fourth proportional to 158,792.64, 238,007.76 and 63,962.09 is: 95,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,792.64 : 238,007.76 = 63,962.09 : x
  2. Step 2: Convert to fraction form
    158,792.64/238,007.76 = 63,962.09/x
  3. Step 3: Cross multiply
    158,792.64x = 238,007.76 × 63,962.09
  4. Step 4: Simplify right side
    158,792.64x = 15,223,473,765.82
  5. Step 5: Solve for x
    x = 15,223,473,765.82/158,792.64
  6. Step 6: Final answer
    x = 95,870.15

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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.