Home / 99,376.88-137,127.62-67,181.54

Finding the Fourth Proportional to 99,376.88, 137,127.62 and 67,181.54

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Solution

The fourth proportional to 99,376.88, 137,127.62 and 67,181.54 is: 92,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.88 : 137,127.62 = 67,181.54 : x
  2. Step 2: Convert to fraction form
    99,376.88/137,127.62 = 67,181.54/x
  3. Step 3: Cross multiply
    99,376.88x = 137,127.62 × 67,181.54
  4. Step 4: Simplify right side
    99,376.88x = 9,212,443,666.59
  5. Step 5: Solve for x
    x = 9,212,443,666.59/99,376.88
  6. Step 6: Final answer
    x = 92,702.08

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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.