Home / 100,233.30-138,321.93-59,947.06

Finding the Fourth Proportional to 100,233.30, 138,321.93 and 59,947.06

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Solution

The fourth proportional to 100,233.30, 138,321.93 and 59,947.06 is: 82,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,233.30 : 138,321.93 = 59,947.06 : x
  2. Step 2: Convert to fraction form
    100,233.30/138,321.93 = 59,947.06/x
  3. Step 3: Cross multiply
    100,233.30x = 138,321.93 × 59,947.06
  4. Step 4: Simplify right side
    100,233.30x = 8,291,993,037.03
  5. Step 5: Solve for x
    x = 8,291,993,037.03/100,233.30
  6. Step 6: Final answer
    x = 82,726.93

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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.