Home / 176,479.20-264,783.60-71,308.80

Finding the Fourth Proportional to 176,479.20, 264,783.60 and 71,308.80

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Solution

The fourth proportional to 176,479.20, 264,783.60 and 71,308.80 is: 106,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,479.20 : 264,783.60 = 71,308.80 : x
  2. Step 2: Convert to fraction form
    176,479.20/264,783.60 = 71,308.80/x
  3. Step 3: Cross multiply
    176,479.20x = 264,783.60 × 71,308.80
  4. Step 4: Simplify right side
    176,479.20x = 18,881,400,775.68
  5. Step 5: Solve for x
    x = 18,881,400,775.68/176,479.20
  6. Step 6: Final answer
    x = 106,989.38

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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.