Home / 105,503.51-158,255.26-35,382.62

Finding the Fourth Proportional to 105,503.51, 158,255.26 and 35,382.62

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Solution

The fourth proportional to 105,503.51, 158,255.26 and 35,382.62 is: 53,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,503.51 : 158,255.26 = 35,382.62 : x
  2. Step 2: Convert to fraction form
    105,503.51/158,255.26 = 35,382.62/x
  3. Step 3: Cross multiply
    105,503.51x = 158,255.26 × 35,382.62
  4. Step 4: Simplify right side
    105,503.51x = 5,599,484,847.85
  5. Step 5: Solve for x
    x = 5,599,484,847.85/105,503.51
  6. Step 6: Final answer
    x = 53,073.92

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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.