Home / 176,256.87-243,208.82-100,790.79

Finding the Fourth Proportional to 176,256.87, 243,208.82 and 100,790.79

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Solution

The fourth proportional to 176,256.87, 243,208.82 and 100,790.79 is: 139,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,256.87 : 243,208.82 = 100,790.79 : x
  2. Step 2: Convert to fraction form
    176,256.87/243,208.82 = 100,790.79/x
  3. Step 3: Cross multiply
    176,256.87x = 243,208.82 × 100,790.79
  4. Step 4: Simplify right side
    176,256.87x = 24,513,209,432.80
  5. Step 5: Solve for x
    x = 24,513,209,432.80/176,256.87
  6. Step 6: Final answer
    x = 139,076.62

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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.