Home / 165,030.40-247,545.60-131,569.30

Finding the Fourth Proportional to 165,030.40, 247,545.60 and 131,569.30

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Solution

The fourth proportional to 165,030.40, 247,545.60 and 131,569.30 is: 197,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,030.40 : 247,545.60 = 131,569.30 : x
  2. Step 2: Convert to fraction form
    165,030.40/247,545.60 = 131,569.30/x
  3. Step 3: Cross multiply
    165,030.40x = 247,545.60 × 131,569.30
  4. Step 4: Simplify right side
    165,030.40x = 32,569,401,310.08
  5. Step 5: Solve for x
    x = 32,569,401,310.08/165,030.40
  6. Step 6: Final answer
    x = 197,353.95

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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.