Home / 115,060.64-158,745.62-67,280.15

Finding the Fourth Proportional to 115,060.64, 158,745.62 and 67,280.15

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Solution

The fourth proportional to 115,060.64, 158,745.62 and 67,280.15 is: 92,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.64 : 158,745.62 = 67,280.15 : x
  2. Step 2: Convert to fraction form
    115,060.64/158,745.62 = 67,280.15/x
  3. Step 3: Cross multiply
    115,060.64x = 158,745.62 × 67,280.15
  4. Step 4: Simplify right side
    115,060.64x = 10,680,429,690.51
  5. Step 5: Solve for x
    x = 10,680,429,690.51/115,060.64
  6. Step 6: Final answer
    x = 92,824.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.