Home / 85,074.12-127,611.18-22,743

Finding the Fourth Proportional to 85,074.12, 127,611.18 and 22,743

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Solution

The fourth proportional to 85,074.12, 127,611.18 and 22,743 is: 34,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,074.12 : 127,611.18 = 22,743 : x
  2. Step 2: Convert to fraction form
    85,074.12/127,611.18 = 22,743/x
  3. Step 3: Cross multiply
    85,074.12x = 127,611.18 × 22,743
  4. Step 4: Simplify right side
    85,074.12x = 2,902,261,066.74
  5. Step 5: Solve for x
    x = 2,902,261,066.74/85,074.12
  6. Step 6: Final answer
    x = 34,114.50

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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.