Home / 156,721.30-235,122.48-67,954.30

Finding the Fourth Proportional to 156,721.30, 235,122.48 and 67,954.30

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Solution

The fourth proportional to 156,721.30, 235,122.48 and 67,954.30 is: 101,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,721.30 : 235,122.48 = 67,954.30 : x
  2. Step 2: Convert to fraction form
    156,721.30/235,122.48 = 67,954.30/x
  3. Step 3: Cross multiply
    156,721.30x = 235,122.48 × 67,954.30
  4. Step 4: Simplify right side
    156,721.30x = 15,977,583,542.66
  5. Step 5: Solve for x
    x = 15,977,583,542.66/156,721.30
  6. Step 6: Final answer
    x = 101,949.02

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1.5x scale

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.