Home / 112,157.75-154,829.51-69,144.92

Finding the Fourth Proportional to 112,157.75, 154,829.51 and 69,144.92

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Solution

The fourth proportional to 112,157.75, 154,829.51 and 69,144.92 is: 95,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.75 : 154,829.51 = 69,144.92 : x
  2. Step 2: Convert to fraction form
    112,157.75/154,829.51 = 69,144.92/x
  3. Step 3: Cross multiply
    112,157.75x = 154,829.51 × 69,144.92
  4. Step 4: Simplify right side
    112,157.75x = 10,705,672,962.72
  5. Step 5: Solve for x
    x = 10,705,672,962.72/112,157.75
  6. Step 6: Final answer
    x = 95,451.93

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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.