Home / 158,973.76-238,435.12-40,638.80

Finding the Fourth Proportional to 158,973.76, 238,435.12 and 40,638.80

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Solution

The fourth proportional to 158,973.76, 238,435.12 and 40,638.80 is: 60,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,973.76 : 238,435.12 = 40,638.80 : x
  2. Step 2: Convert to fraction form
    158,973.76/238,435.12 = 40,638.80/x
  3. Step 3: Cross multiply
    158,973.76x = 238,435.12 × 40,638.80
  4. Step 4: Simplify right side
    158,973.76x = 9,689,717,154.66
  5. Step 5: Solve for x
    x = 9,689,717,154.66/158,973.76
  6. Step 6: Final answer
    x = 60,951.68

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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.