Home / 138,196.32-206,285.16-118,600.80

Finding the Fourth Proportional to 138,196.32, 206,285.16 and 118,600.80

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Solution

The fourth proportional to 138,196.32, 206,285.16 and 118,600.80 is: 177,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,196.32 : 206,285.16 = 118,600.80 : x
  2. Step 2: Convert to fraction form
    138,196.32/206,285.16 = 118,600.80/x
  3. Step 3: Cross multiply
    138,196.32x = 206,285.16 × 118,600.80
  4. Step 4: Simplify right side
    138,196.32x = 24,465,585,004.13
  5. Step 5: Solve for x
    x = 24,465,585,004.13/138,196.32
  6. Step 6: Final answer
    x = 177,035.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.