Home / 104,986.48-144,882.12-57,240.24

Finding the Fourth Proportional to 104,986.48, 144,882.12 and 57,240.24

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Solution

The fourth proportional to 104,986.48, 144,882.12 and 57,240.24 is: 78,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,986.48 : 144,882.12 = 57,240.24 : x
  2. Step 2: Convert to fraction form
    104,986.48/144,882.12 = 57,240.24/x
  3. Step 3: Cross multiply
    104,986.48x = 144,882.12 × 57,240.24
  4. Step 4: Simplify right side
    104,986.48x = 8,293,087,320.51
  5. Step 5: Solve for x
    x = 8,293,087,320.51/104,986.48
  6. Step 6: Final answer
    x = 78,991.96

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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.