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Finding the Fourth Proportional to 158,854.56, 238,230 and 70,104.48

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Solution

The fourth proportional to 158,854.56, 238,230 and 70,104.48 is: 105,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,854.56 : 238,230 = 70,104.48 : x
  2. Step 2: Convert to fraction form
    158,854.56/238,230 = 70,104.48/x
  3. Step 3: Cross multiply
    158,854.56x = 238,230 × 70,104.48
  4. Step 4: Simplify right side
    158,854.56x = 16,700,990,270.40
  5. Step 5: Solve for x
    x = 16,700,990,270.40/158,854.56
  6. Step 6: Final answer
    x = 105,133.84

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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.