Home / 90,023.67-135,042.23-26,838.95

Finding the Fourth Proportional to 90,023.67, 135,042.23 and 26,838.95

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Solution

The fourth proportional to 90,023.67, 135,042.23 and 26,838.95 is: 40,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023.67 : 135,042.23 = 26,838.95 : x
  2. Step 2: Convert to fraction form
    90,023.67/135,042.23 = 26,838.95/x
  3. Step 3: Cross multiply
    90,023.67x = 135,042.23 × 26,838.95
  4. Step 4: Simplify right side
    90,023.67x = 3,624,391,050.74
  5. Step 5: Solve for x
    x = 3,624,391,050.74/90,023.67
  6. Step 6: Final answer
    x = 40,260.42

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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.