Home / 84,132.48-126,198.72-47,222.40

Finding the Fourth Proportional to 84,132.48, 126,198.72 and 47,222.40

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Solution

The fourth proportional to 84,132.48, 126,198.72 and 47,222.40 is: 70,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.48 : 126,198.72 = 47,222.40 : x
  2. Step 2: Convert to fraction form
    84,132.48/126,198.72 = 47,222.40/x
  3. Step 3: Cross multiply
    84,132.48x = 126,198.72 × 47,222.40
  4. Step 4: Simplify right side
    84,132.48x = 5,959,406,435.33
  5. Step 5: Solve for x
    x = 5,959,406,435.33/84,132.48
  6. Step 6: Final answer
    x = 70,833.60

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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.