Home / 149,476.41-206,285.65-85,818.31

Finding the Fourth Proportional to 149,476.41, 206,285.65 and 85,818.31

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Solution

The fourth proportional to 149,476.41, 206,285.65 and 85,818.31 is: 118,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,476.41 : 206,285.65 = 85,818.31 : x
  2. Step 2: Convert to fraction form
    149,476.41/206,285.65 = 85,818.31/x
  3. Step 3: Cross multiply
    149,476.41x = 206,285.65 × 85,818.31
  4. Step 4: Simplify right side
    149,476.41x = 17,703,085,129.99
  5. Step 5: Solve for x
    x = 17,703,085,129.99/149,476.41
  6. Step 6: Final answer
    x = 118,433.97

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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.