Home / 97,668.20-146,387.10-73,015.40

Finding the Fourth Proportional to 97,668.20, 146,387.10 and 73,015.40

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Solution

The fourth proportional to 97,668.20, 146,387.10 and 73,015.40 is: 109,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,668.20 : 146,387.10 = 73,015.40 : x
  2. Step 2: Convert to fraction form
    97,668.20/146,387.10 = 73,015.40/x
  3. Step 3: Cross multiply
    97,668.20x = 146,387.10 × 73,015.40
  4. Step 4: Simplify right side
    97,668.20x = 10,688,512,661.34
  5. Step 5: Solve for x
    x = 10,688,512,661.34/97,668.20
  6. Step 6: Final answer
    x = 109,436.98

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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.