Home / 99,016.79-136,651.80-54,313.43

Finding the Fourth Proportional to 99,016.79, 136,651.80 and 54,313.43

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Solution

The fourth proportional to 99,016.79, 136,651.80 and 54,313.43 is: 74,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.79 : 136,651.80 = 54,313.43 : x
  2. Step 2: Convert to fraction form
    99,016.79/136,651.80 = 54,313.43/x
  3. Step 3: Cross multiply
    99,016.79x = 136,651.80 × 54,313.43
  4. Step 4: Simplify right side
    99,016.79x = 7,422,027,290.42
  5. Step 5: Solve for x
    x = 7,422,027,290.42/99,016.79
  6. Step 6: Final answer
    x = 74,957.26

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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.