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Finding the Fourth Proportional to 158,874.48, 238,258.80 and 64,080.18

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Solution

The fourth proportional to 158,874.48, 238,258.80 and 64,080.18 is: 96,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,874.48 : 238,258.80 = 64,080.18 : x
  2. Step 2: Convert to fraction form
    158,874.48/238,258.80 = 64,080.18/x
  3. Step 3: Cross multiply
    158,874.48x = 238,258.80 × 64,080.18
  4. Step 4: Simplify right side
    158,874.48x = 15,267,666,790.58
  5. Step 5: Solve for x
    x = 15,267,666,790.58/158,874.48
  6. Step 6: Final answer
    x = 96,098.93

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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.