Home / 99,467.76-137,265.12-54,148.26

Finding the Fourth Proportional to 99,467.76, 137,265.12 and 54,148.26

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Solution

The fourth proportional to 99,467.76, 137,265.12 and 54,148.26 is: 74,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,467.76 : 137,265.12 = 54,148.26 : x
  2. Step 2: Convert to fraction form
    99,467.76/137,265.12 = 54,148.26/x
  3. Step 3: Cross multiply
    99,467.76x = 137,265.12 × 54,148.26
  4. Step 4: Simplify right side
    99,467.76x = 7,432,667,406.69
  5. Step 5: Solve for x
    x = 7,432,667,406.69/99,467.76
  6. Step 6: Final answer
    x = 74,724.39

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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.