Home / 84,309.48-126,462.78-25,145.32

Finding the Fourth Proportional to 84,309.48, 126,462.78 and 25,145.32

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Solution

The fourth proportional to 84,309.48, 126,462.78 and 25,145.32 is: 37,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.48 : 126,462.78 = 25,145.32 : x
  2. Step 2: Convert to fraction form
    84,309.48/126,462.78 = 25,145.32/x
  3. Step 3: Cross multiply
    84,309.48x = 126,462.78 × 25,145.32
  4. Step 4: Simplify right side
    84,309.48x = 3,179,947,071.19
  5. Step 5: Solve for x
    x = 3,179,947,071.19/84,309.48
  6. Step 6: Final answer
    x = 37,717.55

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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.