Home / 112,153.64-167,886.96-72,632.12

Finding the Fourth Proportional to 112,153.64, 167,886.96 and 72,632.12

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Solution

The fourth proportional to 112,153.64, 167,886.96 and 72,632.12 is: 108,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,153.64 : 167,886.96 = 72,632.12 : x
  2. Step 2: Convert to fraction form
    112,153.64/167,886.96 = 72,632.12/x
  3. Step 3: Cross multiply
    112,153.64x = 167,886.96 × 72,632.12
  4. Step 4: Simplify right side
    112,153.64x = 12,193,985,825.16
  5. Step 5: Solve for x
    x = 12,193,985,825.16/112,153.64
  6. Step 6: Final answer
    x = 108,725.73

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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.