Home / 105,240.97-157,862.80-35,120.28

Finding the Fourth Proportional to 105,240.97, 157,862.80 and 35,120.28

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Solution

The fourth proportional to 105,240.97, 157,862.80 and 35,120.28 is: 52,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,240.97 : 157,862.80 = 35,120.28 : x
  2. Step 2: Convert to fraction form
    105,240.97/157,862.80 = 35,120.28/x
  3. Step 3: Cross multiply
    105,240.97x = 157,862.80 × 35,120.28
  4. Step 4: Simplify right side
    105,240.97x = 5,544,185,737.58
  5. Step 5: Solve for x
    x = 5,544,185,737.58/105,240.97
  6. Step 6: Final answer
    x = 52,680.87

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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.