Home / 98,235.32-135,576.27-55,214.87

Finding the Fourth Proportional to 98,235.32, 135,576.27 and 55,214.87

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Solution

The fourth proportional to 98,235.32, 135,576.27 and 55,214.87 is: 76,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.32 : 135,576.27 = 55,214.87 : x
  2. Step 2: Convert to fraction form
    98,235.32/135,576.27 = 55,214.87/x
  3. Step 3: Cross multiply
    98,235.32x = 135,576.27 × 55,214.87
  4. Step 4: Simplify right side
    98,235.32x = 7,485,825,847.06
  5. Step 5: Solve for x
    x = 7,485,825,847.06/98,235.32
  6. Step 6: Final answer
    x = 76,203.00

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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.