Home / 102,741.75-140,753.16-98,903.70

Finding the Fourth Proportional to 102,741.75, 140,753.16 and 98,903.70

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Solution

The fourth proportional to 102,741.75, 140,753.16 and 98,903.70 is: 135,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741.75 : 140,753.16 = 98,903.70 : x
  2. Step 2: Convert to fraction form
    102,741.75/140,753.16 = 98,903.70/x
  3. Step 3: Cross multiply
    102,741.75x = 140,753.16 × 98,903.70
  4. Step 4: Simplify right side
    102,741.75x = 13,921,008,310.69
  5. Step 5: Solve for x
    x = 13,921,008,310.69/102,741.75
  6. Step 6: Final answer
    x = 135,495.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.