Home / 176,916.82-244,142.80-100,435.28

Finding the Fourth Proportional to 176,916.82, 244,142.80 and 100,435.28

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Solution

The fourth proportional to 176,916.82, 244,142.80 and 100,435.28 is: 138,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,916.82 : 244,142.80 = 100,435.28 : x
  2. Step 2: Convert to fraction form
    176,916.82/244,142.80 = 100,435.28/x
  3. Step 3: Cross multiply
    176,916.82x = 244,142.80 × 100,435.28
  4. Step 4: Simplify right side
    176,916.82x = 24,520,550,477.98
  5. Step 5: Solve for x
    x = 24,520,550,477.98/176,916.82
  6. Step 6: Final answer
    x = 138,599.32

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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.