Home / 110,878.40-166,317.60-31,995.20

Finding the Fourth Proportional to 110,878.40, 166,317.60 and 31,995.20

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Solution

The fourth proportional to 110,878.40, 166,317.60 and 31,995.20 is: 47,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,878.40 : 166,317.60 = 31,995.20 : x
  2. Step 2: Convert to fraction form
    110,878.40/166,317.60 = 31,995.20/x
  3. Step 3: Cross multiply
    110,878.40x = 166,317.60 × 31,995.20
  4. Step 4: Simplify right side
    110,878.40x = 5,321,364,875.52
  5. Step 5: Solve for x
    x = 5,321,364,875.52/110,878.40
  6. Step 6: Final answer
    x = 47,992.80

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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.