Home / 98,449.32-135,858.24-56,006.88

Finding the Fourth Proportional to 98,449.32, 135,858.24 and 56,006.88

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Solution

The fourth proportional to 98,449.32, 135,858.24 and 56,006.88 is: 77,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,449.32 : 135,858.24 = 56,006.88 : x
  2. Step 2: Convert to fraction form
    98,449.32/135,858.24 = 56,006.88/x
  3. Step 3: Cross multiply
    98,449.32x = 135,858.24 × 56,006.88
  4. Step 4: Simplify right side
    98,449.32x = 7,608,996,144.69
  5. Step 5: Solve for x
    x = 7,608,996,144.69/98,449.32
  6. Step 6: Final answer
    x = 77,288.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.