Home / 177,801.72-245,366.46-101,318.64

Finding the Fourth Proportional to 177,801.72, 245,366.46 and 101,318.64

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Solution

The fourth proportional to 177,801.72, 245,366.46 and 101,318.64 is: 139,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,801.72 : 245,366.46 = 101,318.64 : x
  2. Step 2: Convert to fraction form
    177,801.72/245,366.46 = 101,318.64/x
  3. Step 3: Cross multiply
    177,801.72x = 245,366.46 × 101,318.64
  4. Step 4: Simplify right side
    177,801.72x = 24,860,196,028.81
  5. Step 5: Solve for x
    x = 24,860,196,028.81/177,801.72
  6. Step 6: Final answer
    x = 139,819.77

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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.