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Finding the Fourth Proportional to 158,873.67, 238,307.40 and 64,101.92

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Solution

The fourth proportional to 158,873.67, 238,307.40 and 64,101.92 is: 96,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873.67 : 238,307.40 = 64,101.92 : x
  2. Step 2: Convert to fraction form
    158,873.67/238,307.40 = 64,101.92/x
  3. Step 3: Cross multiply
    158,873.67x = 238,307.40 × 64,101.92
  4. Step 4: Simplify right side
    158,873.67x = 15,275,960,698.67
  5. Step 5: Solve for x
    x = 15,275,960,698.67/158,873.67
  6. Step 6: Final answer
    x = 96,151.62

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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.