Home / 90,334.84-135,501.03-28,005.34

Finding the Fourth Proportional to 90,334.84, 135,501.03 and 28,005.34

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Solution

The fourth proportional to 90,334.84, 135,501.03 and 28,005.34 is: 42,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.84 : 135,501.03 = 28,005.34 : x
  2. Step 2: Convert to fraction form
    90,334.84/135,501.03 = 28,005.34/x
  3. Step 3: Cross multiply
    90,334.84x = 135,501.03 × 28,005.34
  4. Step 4: Simplify right side
    90,334.84x = 3,794,752,415.50
  5. Step 5: Solve for x
    x = 3,794,752,415.50/90,334.84
  6. Step 6: Final answer
    x = 42,007.63

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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.