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Finding the Fourth Proportional to 158,977.34, 238,501.04 and 88,003.50

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Solution

The fourth proportional to 158,977.34, 238,501.04 and 88,003.50 is: 132,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,977.34 : 238,501.04 = 88,003.50 : x
  2. Step 2: Convert to fraction form
    158,977.34/238,501.04 = 88,003.50/x
  3. Step 3: Cross multiply
    158,977.34x = 238,501.04 × 88,003.50
  4. Step 4: Simplify right side
    158,977.34x = 20,988,925,833.62
  5. Step 5: Solve for x
    x = 20,988,925,833.62/158,977.34
  6. Step 6: Final answer
    x = 132,024.64

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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.