Home / 84,142.40-126,195.37-24,978.58

Finding the Fourth Proportional to 84,142.40, 126,195.37 and 24,978.58

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Solution

The fourth proportional to 84,142.40, 126,195.37 and 24,978.58 is: 37,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,142.40 : 126,195.37 = 24,978.58 : x
  2. Step 2: Convert to fraction form
    84,142.40/126,195.37 = 24,978.58/x
  3. Step 3: Cross multiply
    84,142.40x = 126,195.37 × 24,978.58
  4. Step 4: Simplify right side
    84,142.40x = 3,152,180,767.24
  5. Step 5: Solve for x
    x = 3,152,180,767.24/84,142.40
  6. Step 6: Final answer
    x = 37,462.46

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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.