Home / 97,727.40-146,591.10-72,941.40

Finding the Fourth Proportional to 97,727.40, 146,591.10 and 72,941.40

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Solution

The fourth proportional to 97,727.40, 146,591.10 and 72,941.40 is: 109,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,727.40 : 146,591.10 = 72,941.40 : x
  2. Step 2: Convert to fraction form
    97,727.40/146,591.10 = 72,941.40/x
  3. Step 3: Cross multiply
    97,727.40x = 146,591.10 × 72,941.40
  4. Step 4: Simplify right side
    97,727.40x = 10,692,560,061.54
  5. Step 5: Solve for x
    x = 10,692,560,061.54/97,727.40
  6. Step 6: Final answer
    x = 109,412.10

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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.