Home / 97,731.40-146,597.10-72,945.40

Finding the Fourth Proportional to 97,731.40, 146,597.10 and 72,945.40

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Solution

The fourth proportional to 97,731.40, 146,597.10 and 72,945.40 is: 109,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.40 : 146,597.10 = 72,945.40 : x
  2. Step 2: Convert to fraction form
    97,731.40/146,597.10 = 72,945.40/x
  3. Step 3: Cross multiply
    97,731.40x = 146,597.10 × 72,945.40
  4. Step 4: Simplify right side
    97,731.40x = 10,693,584,098.34
  5. Step 5: Solve for x
    x = 10,693,584,098.34/97,731.40
  6. Step 6: Final answer
    x = 109,418.10

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1.5x scale

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.