Home / 85,307.37-127,956.42-26,143.22

Finding the Fourth Proportional to 85,307.37, 127,956.42 and 26,143.22

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Solution

The fourth proportional to 85,307.37, 127,956.42 and 26,143.22 is: 39,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.37 : 127,956.42 = 26,143.22 : x
  2. Step 2: Convert to fraction form
    85,307.37/127,956.42 = 26,143.22/x
  3. Step 3: Cross multiply
    85,307.37x = 127,956.42 × 26,143.22
  4. Step 4: Simplify right side
    85,307.37x = 3,345,192,198.69
  5. Step 5: Solve for x
    x = 3,345,192,198.69/85,307.37
  6. Step 6: Final answer
    x = 39,213.40

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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.