Home / 109,123.56-163,677.96-42,551.28

Finding the Fourth Proportional to 109,123.56, 163,677.96 and 42,551.28

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Solution

The fourth proportional to 109,123.56, 163,677.96 and 42,551.28 is: 63,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,123.56 : 163,677.96 = 42,551.28 : x
  2. Step 2: Convert to fraction form
    109,123.56/163,677.96 = 42,551.28/x
  3. Step 3: Cross multiply
    109,123.56x = 163,677.96 × 42,551.28
  4. Step 4: Simplify right side
    109,123.56x = 6,964,706,705.79
  5. Step 5: Solve for x
    x = 6,964,706,705.79/109,123.56
  6. Step 6: Final answer
    x = 63,824.04

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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.