Home / 91,433.38-126,203.43-53,200.31

Finding the Fourth Proportional to 91,433.38, 126,203.43 and 53,200.31

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Solution

The fourth proportional to 91,433.38, 126,203.43 and 53,200.31 is: 73,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.38 : 126,203.43 = 53,200.31 : x
  2. Step 2: Convert to fraction form
    91,433.38/126,203.43 = 53,200.31/x
  3. Step 3: Cross multiply
    91,433.38x = 126,203.43 × 53,200.31
  4. Step 4: Simplify right side
    91,433.38x = 6,714,061,599.06
  5. Step 5: Solve for x
    x = 6,714,061,599.06/91,433.38
  6. Step 6: Final answer
    x = 73,431.19

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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.