Home / 239,237.13-358,911.29-81,466.95

Finding the Fourth Proportional to 239,237.13, 358,911.29 and 81,466.95

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Solution

The fourth proportional to 239,237.13, 358,911.29 and 81,466.95 is: 122,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,237.13 : 358,911.29 = 81,466.95 : x
  2. Step 2: Convert to fraction form
    239,237.13/358,911.29 = 81,466.95/x
  3. Step 3: Cross multiply
    239,237.13x = 358,911.29 × 81,466.95
  4. Step 4: Simplify right side
    239,237.13x = 29,239,408,116.87
  5. Step 5: Solve for x
    x = 29,239,408,116.87/239,237.13
  6. Step 6: Final answer
    x = 122,219.36

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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.