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Finding the Fourth Proportional to 112,002.40, 167,938.80 and 41,888.80

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Solution

The fourth proportional to 112,002.40, 167,938.80 and 41,888.80 is: 62,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.40 : 167,938.80 = 41,888.80 : x
  2. Step 2: Convert to fraction form
    112,002.40/167,938.80 = 41,888.80/x
  3. Step 3: Cross multiply
    112,002.40x = 167,938.80 × 41,888.80
  4. Step 4: Simplify right side
    112,002.40x = 7,034,754,805.44
  5. Step 5: Solve for x
    x = 7,034,754,805.44/112,002.40
  6. Step 6: Final answer
    x = 62,808.96

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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.