Home / 103,298.33-142,551.68-57,976.31

Finding the Fourth Proportional to 103,298.33, 142,551.68 and 57,976.31

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Solution

The fourth proportional to 103,298.33, 142,551.68 and 57,976.31 is: 80,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,298.33 : 142,551.68 = 57,976.31 : x
  2. Step 2: Convert to fraction form
    103,298.33/142,551.68 = 57,976.31/x
  3. Step 3: Cross multiply
    103,298.33x = 142,551.68 × 57,976.31
  4. Step 4: Simplify right side
    103,298.33x = 8,264,619,677.94
  5. Step 5: Solve for x
    x = 8,264,619,677.94/103,298.33
  6. Step 6: Final answer
    x = 80,007.30

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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.