Home / 105,067.43-157,602.28-30,188.19

Finding the Fourth Proportional to 105,067.43, 157,602.28 and 30,188.19

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Solution

The fourth proportional to 105,067.43, 157,602.28 and 30,188.19 is: 45,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,067.43 : 157,602.28 = 30,188.19 : x
  2. Step 2: Convert to fraction form
    105,067.43/157,602.28 = 30,188.19/x
  3. Step 3: Cross multiply
    105,067.43x = 157,602.28 × 30,188.19
  4. Step 4: Simplify right side
    105,067.43x = 4,757,727,610.81
  5. Step 5: Solve for x
    x = 4,757,727,610.81/105,067.43
  6. Step 6: Final answer
    x = 45,282.61

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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.