Home / 99,221.22-136,926.36-53,899.74

Finding the Fourth Proportional to 99,221.22, 136,926.36 and 53,899.74

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Solution

The fourth proportional to 99,221.22, 136,926.36 and 53,899.74 is: 74,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221.22 : 136,926.36 = 53,899.74 : x
  2. Step 2: Convert to fraction form
    99,221.22/136,926.36 = 53,899.74/x
  3. Step 3: Cross multiply
    99,221.22x = 136,926.36 × 53,899.74
  4. Step 4: Simplify right side
    99,221.22x = 7,380,295,203.15
  5. Step 5: Solve for x
    x = 7,380,295,203.15/99,221.22
  6. Step 6: Final answer
    x = 74,382.23

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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.