Home / 99,425.51-137,204.45-54,102.44

Finding the Fourth Proportional to 99,425.51, 137,204.45 and 54,102.44

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Solution

The fourth proportional to 99,425.51, 137,204.45 and 54,102.44 is: 74,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,425.51 : 137,204.45 = 54,102.44 : x
  2. Step 2: Convert to fraction form
    99,425.51/137,204.45 = 54,102.44/x
  3. Step 3: Cross multiply
    99,425.51x = 137,204.45 × 54,102.44
  4. Step 4: Simplify right side
    99,425.51x = 7,423,095,253.35
  5. Step 5: Solve for x
    x = 7,423,095,253.35/99,425.51
  6. Step 6: Final answer
    x = 74,659.87

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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.