Home / 90,968.96-125,528.64-67,108.88

Finding the Fourth Proportional to 90,968.96, 125,528.64 and 67,108.88

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Solution

The fourth proportional to 90,968.96, 125,528.64 and 67,108.88 is: 92,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968.96 : 125,528.64 = 67,108.88 : x
  2. Step 2: Convert to fraction form
    90,968.96/125,528.64 = 67,108.88/x
  3. Step 3: Cross multiply
    90,968.96x = 125,528.64 × 67,108.88
  4. Step 4: Simplify right side
    90,968.96x = 8,424,086,438.32
  5. Step 5: Solve for x
    x = 8,424,086,438.32/90,968.96
  6. Step 6: Final answer
    x = 92,603.97

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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.