Home / 92,990.72-139,487.66-40,400.21

Finding the Fourth Proportional to 92,990.72, 139,487.66 and 40,400.21

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Solution

The fourth proportional to 92,990.72, 139,487.66 and 40,400.21 is: 60,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,990.72 : 139,487.66 = 40,400.21 : x
  2. Step 2: Convert to fraction form
    92,990.72/139,487.66 = 40,400.21/x
  3. Step 3: Cross multiply
    92,990.72x = 139,487.66 × 40,400.21
  4. Step 4: Simplify right side
    92,990.72x = 5,635,330,756.41
  5. Step 5: Solve for x
    x = 5,635,330,756.41/92,990.72
  6. Step 6: Final answer
    x = 60,601.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.