Home / 239,180.77-330,071.91-131,753.50

Finding the Fourth Proportional to 239,180.77, 330,071.91 and 131,753.50

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Solution

The fourth proportional to 239,180.77, 330,071.91 and 131,753.50 is: 181,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,180.77 : 330,071.91 = 131,753.50 : x
  2. Step 2: Convert to fraction form
    239,180.77/330,071.91 = 131,753.50/x
  3. Step 3: Cross multiply
    239,180.77x = 330,071.91 × 131,753.50
  4. Step 4: Simplify right side
    239,180.77x = 43,488,129,394.19
  5. Step 5: Solve for x
    x = 43,488,129,394.19/239,180.77
  6. Step 6: Final answer
    x = 181,821.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.