Home / 90,200.52-135,263.70-26,998.32

Finding the Fourth Proportional to 90,200.52, 135,263.70 and 26,998.32

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Solution

The fourth proportional to 90,200.52, 135,263.70 and 26,998.32 is: 40,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,200.52 : 135,263.70 = 26,998.32 : x
  2. Step 2: Convert to fraction form
    90,200.52/135,263.70 = 26,998.32/x
  3. Step 3: Cross multiply
    90,200.52x = 135,263.70 × 26,998.32
  4. Step 4: Simplify right side
    90,200.52x = 3,651,892,656.98
  5. Step 5: Solve for x
    x = 3,651,892,656.98/90,200.52
  6. Step 6: Final answer
    x = 40,486.38

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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.