Home / 239,179.77-330,070.53-131,752.50

Finding the Fourth Proportional to 239,179.77, 330,070.53 and 131,752.50

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Solution

The fourth proportional to 239,179.77, 330,070.53 and 131,752.50 is: 181,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179.77 : 330,070.53 = 131,752.50 : x
  2. Step 2: Convert to fraction form
    239,179.77/330,070.53 = 131,752.50/x
  3. Step 3: Cross multiply
    239,179.77x = 330,070.53 × 131,752.50
  4. Step 4: Simplify right side
    239,179.77x = 43,487,617,503.83
  5. Step 5: Solve for x
    x = 43,487,617,503.83/239,179.77
  6. Step 6: Final answer
    x = 181,819.80

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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.