Home / 113,023.40-169,632.30-49,940.60

Finding the Fourth Proportional to 113,023.40, 169,632.30 and 49,940.60

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Solution

The fourth proportional to 113,023.40, 169,632.30 and 49,940.60 is: 74,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023.40 : 169,632.30 = 49,940.60 : x
  2. Step 2: Convert to fraction form
    113,023.40/169,632.30 = 49,940.60/x
  3. Step 3: Cross multiply
    113,023.40x = 169,632.30 × 49,940.60
  4. Step 4: Simplify right side
    113,023.40x = 8,471,538,841.38
  5. Step 5: Solve for x
    x = 8,471,538,841.38/113,023.40
  6. Step 6: Final answer
    x = 74,953.85

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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.