Home / 84,320.60-126,464.70-25,158.20

Finding the Fourth Proportional to 84,320.60, 126,464.70 and 25,158.20

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Solution

The fourth proportional to 84,320.60, 126,464.70 and 25,158.20 is: 37,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.60 : 126,464.70 = 25,158.20 : x
  2. Step 2: Convert to fraction form
    84,320.60/126,464.70 = 25,158.20/x
  3. Step 3: Cross multiply
    84,320.60x = 126,464.70 × 25,158.20
  4. Step 4: Simplify right side
    84,320.60x = 3,181,624,215.54
  5. Step 5: Solve for x
    x = 3,181,624,215.54/84,320.60
  6. Step 6: Final answer
    x = 37,732.47

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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.