Home / 112,155.64-167,889.96-72,634.12

Finding the Fourth Proportional to 112,155.64, 167,889.96 and 72,634.12

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Solution

The fourth proportional to 112,155.64, 167,889.96 and 72,634.12 is: 108,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.64 : 167,889.96 = 72,634.12 : x
  2. Step 2: Convert to fraction form
    112,155.64/167,889.96 = 72,634.12/x
  3. Step 3: Cross multiply
    112,155.64x = 167,889.96 × 72,634.12
  4. Step 4: Simplify right side
    112,155.64x = 12,194,539,501.44
  5. Step 5: Solve for x
    x = 12,194,539,501.44/112,155.64
  6. Step 6: Final answer
    x = 108,728.72

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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.