Home / 155,473.27-214,608.51-91,811.32

Finding the Fourth Proportional to 155,473.27, 214,608.51 and 91,811.32

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Solution

The fourth proportional to 155,473.27, 214,608.51 and 91,811.32 is: 126,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,473.27 : 214,608.51 = 91,811.32 : x
  2. Step 2: Convert to fraction form
    155,473.27/214,608.51 = 91,811.32/x
  3. Step 3: Cross multiply
    155,473.27x = 214,608.51 × 91,811.32
  4. Step 4: Simplify right side
    155,473.27x = 19,703,490,586.33
  5. Step 5: Solve for x
    x = 19,703,490,586.33/155,473.27
  6. Step 6: Final answer
    x = 126,732.34

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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.