Home / 104,986.71-144,884.40-64,727.07

Finding the Fourth Proportional to 104,986.71, 144,884.40 and 64,727.07

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Solution

The fourth proportional to 104,986.71, 144,884.40 and 64,727.07 is: 89,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,986.71 : 144,884.40 = 64,727.07 : x
  2. Step 2: Convert to fraction form
    104,986.71/144,884.40 = 64,727.07/x
  3. Step 3: Cross multiply
    104,986.71x = 144,884.40 × 64,727.07
  4. Step 4: Simplify right side
    104,986.71x = 9,377,942,700.71
  5. Step 5: Solve for x
    x = 9,377,942,700.71/104,986.71
  6. Step 6: Final answer
    x = 89,325.05

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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.