Home / 109,278.81-163,927.50-30,393.04

Finding the Fourth Proportional to 109,278.81, 163,927.50 and 30,393.04

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Solution

The fourth proportional to 109,278.81, 163,927.50 and 30,393.04 is: 45,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,278.81 : 163,927.50 = 30,393.04 : x
  2. Step 2: Convert to fraction form
    109,278.81/163,927.50 = 30,393.04/x
  3. Step 3: Cross multiply
    109,278.81x = 163,927.50 × 30,393.04
  4. Step 4: Simplify right side
    109,278.81x = 4,982,254,156.60
  5. Step 5: Solve for x
    x = 4,982,254,156.60/109,278.81
  6. Step 6: Final answer
    x = 45,592.13

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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.