Home / 92,219.61-126,433.57-90,538.35

Finding the Fourth Proportional to 92,219.61, 126,433.57 and 90,538.35

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Solution

The fourth proportional to 92,219.61, 126,433.57 and 90,538.35 is: 124,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,219.61 : 126,433.57 = 90,538.35 : x
  2. Step 2: Convert to fraction form
    92,219.61/126,433.57 = 90,538.35/x
  3. Step 3: Cross multiply
    92,219.61x = 126,433.57 × 90,538.35
  4. Step 4: Simplify right side
    92,219.61x = 11,447,086,812.41
  5. Step 5: Solve for x
    x = 11,447,086,812.41/92,219.61
  6. Step 6: Final answer
    x = 124,128.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.