Home / 149,657.66-206,532.41-85,125.23

Finding the Fourth Proportional to 149,657.66, 206,532.41 and 85,125.23

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Solution

The fourth proportional to 149,657.66, 206,532.41 and 85,125.23 is: 117,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,657.66 : 206,532.41 = 85,125.23 : x
  2. Step 2: Convert to fraction form
    149,657.66/206,532.41 = 85,125.23/x
  3. Step 3: Cross multiply
    149,657.66x = 206,532.41 × 85,125.23
  4. Step 4: Simplify right side
    149,657.66x = 17,581,118,994.41
  5. Step 5: Solve for x
    x = 17,581,118,994.41/149,657.66
  6. Step 6: Final answer
    x = 117,475.57

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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.