Home / 90,109.34-135,143.97-26,053.50

Finding the Fourth Proportional to 90,109.34, 135,143.97 and 26,053.50

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Solution

The fourth proportional to 90,109.34, 135,143.97 and 26,053.50 is: 39,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,109.34 : 135,143.97 = 26,053.50 : x
  2. Step 2: Convert to fraction form
    90,109.34/135,143.97 = 26,053.50/x
  3. Step 3: Cross multiply
    90,109.34x = 135,143.97 × 26,053.50
  4. Step 4: Simplify right side
    90,109.34x = 3,520,972,616.41
  5. Step 5: Solve for x
    x = 3,520,972,616.41/90,109.34
  6. Step 6: Final answer
    x = 39,074.45

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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.