Home / 98,268.66-147,526.38-81,829.98

Finding the Fourth Proportional to 98,268.66, 147,526.38 and 81,829.98

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Solution

The fourth proportional to 98,268.66, 147,526.38 and 81,829.98 is: 122,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.66 : 147,526.38 = 81,829.98 : x
  2. Step 2: Convert to fraction form
    98,268.66/147,526.38 = 81,829.98/x
  3. Step 3: Cross multiply
    98,268.66x = 147,526.38 × 81,829.98
  4. Step 4: Simplify right side
    98,268.66x = 12,072,080,724.87
  5. Step 5: Solve for x
    x = 12,072,080,724.87/98,268.66
  6. Step 6: Final answer
    x = 122,847.72

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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.