Home / 132,815.60-199,223.40-97,386.20

Finding the Fourth Proportional to 132,815.60, 199,223.40 and 97,386.20

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Solution

The fourth proportional to 132,815.60, 199,223.40 and 97,386.20 is: 146,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.60 : 199,223.40 = 97,386.20 : x
  2. Step 2: Convert to fraction form
    132,815.60/199,223.40 = 97,386.20/x
  3. Step 3: Cross multiply
    132,815.60x = 199,223.40 × 97,386.20
  4. Step 4: Simplify right side
    132,815.60x = 19,401,609,877.08
  5. Step 5: Solve for x
    x = 19,401,609,877.08/132,815.60
  6. Step 6: Final answer
    x = 146,079.30

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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.