Home / 84,359.12-126,538.86-25,190.14

Finding the Fourth Proportional to 84,359.12, 126,538.86 and 25,190.14

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Solution

The fourth proportional to 84,359.12, 126,538.86 and 25,190.14 is: 37,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,359.12 : 126,538.86 = 25,190.14 : x
  2. Step 2: Convert to fraction form
    84,359.12/126,538.86 = 25,190.14/x
  3. Step 3: Cross multiply
    84,359.12x = 126,538.86 × 25,190.14
  4. Step 4: Simplify right side
    84,359.12x = 3,187,531,598.84
  5. Step 5: Solve for x
    x = 3,187,531,598.84/84,359.12
  6. Step 6: Final answer
    x = 37,785.26

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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.