Home / 132,308.10-197,976.15-97,316.10

Finding the Fourth Proportional to 132,308.10, 197,976.15 and 97,316.10

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Solution

The fourth proportional to 132,308.10, 197,976.15 and 97,316.10 is: 145,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.10 : 197,976.15 = 97,316.10 : x
  2. Step 2: Convert to fraction form
    132,308.10/197,976.15 = 97,316.10/x
  3. Step 3: Cross multiply
    132,308.10x = 197,976.15 × 97,316.10
  4. Step 4: Simplify right side
    132,308.10x = 19,266,266,811.02
  5. Step 5: Solve for x
    x = 19,266,266,811.02/132,308.10
  6. Step 6: Final answer
    x = 145,616.68

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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.