Home / 132,971.60-199,457.40-97,979.60

Finding the Fourth Proportional to 132,971.60, 199,457.40 and 97,979.60

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Solution

The fourth proportional to 132,971.60, 199,457.40 and 97,979.60 is: 146,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971.60 : 199,457.40 = 97,979.60 : x
  2. Step 2: Convert to fraction form
    132,971.60/199,457.40 = 97,979.60/x
  3. Step 3: Cross multiply
    132,971.60x = 199,457.40 × 97,979.60
  4. Step 4: Simplify right side
    132,971.60x = 19,542,756,269.04
  5. Step 5: Solve for x
    x = 19,542,756,269.04/132,971.60
  6. Step 6: Final answer
    x = 146,969.40

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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.