Home / 90,536.39-135,819.17-28,192.31

Finding the Fourth Proportional to 90,536.39, 135,819.17 and 28,192.31

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Solution

The fourth proportional to 90,536.39, 135,819.17 and 28,192.31 is: 42,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,536.39 : 135,819.17 = 28,192.31 : x
  2. Step 2: Convert to fraction form
    90,536.39/135,819.17 = 28,192.31/x
  3. Step 3: Cross multiply
    90,536.39x = 135,819.17 × 28,192.31
  4. Step 4: Simplify right side
    90,536.39x = 3,829,056,554.61
  5. Step 5: Solve for x
    x = 3,829,056,554.61/90,536.39
  6. Step 6: Final answer
    x = 42,293.01

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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.