Home / 101,705.22-140,303.34-88,257.60

Finding the Fourth Proportional to 101,705.22, 140,303.34 and 88,257.60

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Solution

The fourth proportional to 101,705.22, 140,303.34 and 88,257.60 is: 121,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,705.22 : 140,303.34 = 88,257.60 : x
  2. Step 2: Convert to fraction form
    101,705.22/140,303.34 = 88,257.60/x
  3. Step 3: Cross multiply
    101,705.22x = 140,303.34 × 88,257.60
  4. Step 4: Simplify right side
    101,705.22x = 12,382,836,060.38
  5. Step 5: Solve for x
    x = 12,382,836,060.38/101,705.22
  6. Step 6: Final answer
    x = 121,752.22

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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.