Home / 239,176.75-330,063.92-131,746.45

Finding the Fourth Proportional to 239,176.75, 330,063.92 and 131,746.45

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Solution

The fourth proportional to 239,176.75, 330,063.92 and 131,746.45 is: 181,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,176.75 : 330,063.92 = 131,746.45 : x
  2. Step 2: Convert to fraction form
    239,176.75/330,063.92 = 131,746.45/x
  3. Step 3: Cross multiply
    239,176.75x = 330,063.92 × 131,746.45
  4. Step 4: Simplify right side
    239,176.75x = 43,484,749,733.08
  5. Step 5: Solve for x
    x = 43,484,749,733.08/239,176.75
  6. Step 6: Final answer
    x = 181,810.10

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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.