Home / 98,255.03-135,454.64-83,086.83

Finding the Fourth Proportional to 98,255.03, 135,454.64 and 83,086.83

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Solution

The fourth proportional to 98,255.03, 135,454.64 and 83,086.83 is: 114,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.03 : 135,454.64 = 83,086.83 : x
  2. Step 2: Convert to fraction form
    98,255.03/135,454.64 = 83,086.83/x
  3. Step 3: Cross multiply
    98,255.03x = 135,454.64 × 83,086.83
  4. Step 4: Simplify right side
    98,255.03x = 11,254,496,230.96
  5. Step 5: Solve for x
    x = 11,254,496,230.96/98,255.03
  6. Step 6: Final answer
    x = 114,543.72

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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.