Home / 84,302.48-126,452.28-25,138.32

Finding the Fourth Proportional to 84,302.48, 126,452.28 and 25,138.32

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Solution

The fourth proportional to 84,302.48, 126,452.28 and 25,138.32 is: 37,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,302.48 : 126,452.28 = 25,138.32 : x
  2. Step 2: Convert to fraction form
    84,302.48/126,452.28 = 25,138.32/x
  3. Step 3: Cross multiply
    84,302.48x = 126,452.28 × 25,138.32
  4. Step 4: Simplify right side
    84,302.48x = 3,178,797,879.37
  5. Step 5: Solve for x
    x = 3,178,797,879.37/84,302.48
  6. Step 6: Final answer
    x = 37,707.05

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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.