Home / 159,426.22-238,975.30-70,721.50

Finding the Fourth Proportional to 159,426.22, 238,975.30 and 70,721.50

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Solution

The fourth proportional to 159,426.22, 238,975.30 and 70,721.50 is: 106,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426.22 : 238,975.30 = 70,721.50 : x
  2. Step 2: Convert to fraction form
    159,426.22/238,975.30 = 70,721.50/x
  3. Step 3: Cross multiply
    159,426.22x = 238,975.30 × 70,721.50
  4. Step 4: Simplify right side
    159,426.22x = 16,900,691,678.95
  5. Step 5: Solve for x
    x = 16,900,691,678.95/159,426.22
  6. Step 6: Final answer
    x = 106,009.49

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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.