Home / 85,162.36-127,759.04-35,215.34

Finding the Fourth Proportional to 85,162.36, 127,759.04 and 35,215.34

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Solution

The fourth proportional to 85,162.36, 127,759.04 and 35,215.34 is: 52,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,162.36 : 127,759.04 = 35,215.34 : x
  2. Step 2: Convert to fraction form
    85,162.36/127,759.04 = 35,215.34/x
  3. Step 3: Cross multiply
    85,162.36x = 127,759.04 × 35,215.34
  4. Step 4: Simplify right side
    85,162.36x = 4,499,078,031.67
  5. Step 5: Solve for x
    x = 4,499,078,031.67/85,162.36
  6. Step 6: Final answer
    x = 52,829.42

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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.