Home / 109,244.31-163,905.65-42,732.18

Finding the Fourth Proportional to 109,244.31, 163,905.65 and 42,732.18

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Solution

The fourth proportional to 109,244.31, 163,905.65 and 42,732.18 is: 64,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,244.31 : 163,905.65 = 42,732.18 : x
  2. Step 2: Convert to fraction form
    109,244.31/163,905.65 = 42,732.18/x
  3. Step 3: Cross multiply
    109,244.31x = 163,905.65 × 42,732.18
  4. Step 4: Simplify right side
    109,244.31x = 7,004,045,738.82
  5. Step 5: Solve for x
    x = 7,004,045,738.82/109,244.31
  6. Step 6: Final answer
    x = 64,113.60

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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.