Home / 110,856.08-152,979.72-66,135.44

Finding the Fourth Proportional to 110,856.08, 152,979.72 and 66,135.44

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Solution

The fourth proportional to 110,856.08, 152,979.72 and 66,135.44 is: 91,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,856.08 : 152,979.72 = 66,135.44 : x
  2. Step 2: Convert to fraction form
    110,856.08/152,979.72 = 66,135.44/x
  3. Step 3: Cross multiply
    110,856.08x = 152,979.72 × 66,135.44
  4. Step 4: Simplify right side
    110,856.08x = 10,117,381,093.28
  5. Step 5: Solve for x
    x = 10,117,381,093.28/110,856.08
  6. Step 6: Final answer
    x = 91,265.91

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1.5x scale

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.