Home / 84,188.50-126,317.38-61,813.42

Finding the Fourth Proportional to 84,188.50, 126,317.38 and 61,813.42

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Solution

The fourth proportional to 84,188.50, 126,317.38 and 61,813.42 is: 92,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,188.50 : 126,317.38 = 61,813.42 : x
  2. Step 2: Convert to fraction form
    84,188.50/126,317.38 = 61,813.42/x
  3. Step 3: Cross multiply
    84,188.50x = 126,317.38 × 61,813.42
  4. Step 4: Simplify right side
    84,188.50x = 7,808,109,263.24
  5. Step 5: Solve for x
    x = 7,808,109,263.24/84,188.50
  6. Step 6: Final answer
    x = 92,745.56

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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.