Home / 68,372.91-103,106.12-67,437.36

Finding the Fourth Proportional to 68,372.91, 103,106.12 and 67,437.36

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Solution

The fourth proportional to 68,372.91, 103,106.12 and 67,437.36 is: 101,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.91 : 103,106.12 = 67,437.36 : x
  2. Step 2: Convert to fraction form
    68,372.91/103,106.12 = 67,437.36/x
  3. Step 3: Cross multiply
    68,372.91x = 103,106.12 × 67,437.36
  4. Step 4: Simplify right side
    68,372.91x = 6,953,204,195.46
  5. Step 5: Solve for x
    x = 6,953,204,195.46/68,372.91
  6. Step 6: Final answer
    x = 101,695.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.