Home / 100,011.22-138,022.73-59,726.68

Finding the Fourth Proportional to 100,011.22, 138,022.73 and 59,726.68

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Solution

The fourth proportional to 100,011.22, 138,022.73 and 59,726.68 is: 82,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011.22 : 138,022.73 = 59,726.68 : x
  2. Step 2: Convert to fraction form
    100,011.22/138,022.73 = 59,726.68/x
  3. Step 3: Cross multiply
    100,011.22x = 138,022.73 × 59,726.68
  4. Step 4: Simplify right side
    100,011.22x = 8,243,639,427.44
  5. Step 5: Solve for x
    x = 8,243,639,427.44/100,011.22
  6. Step 6: Final answer
    x = 82,427.15

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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.