Home / 131,583.68-197,324.04-42,815.60

Finding the Fourth Proportional to 131,583.68, 197,324.04 and 42,815.60

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Solution

The fourth proportional to 131,583.68, 197,324.04 and 42,815.60 is: 64,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,583.68 : 197,324.04 = 42,815.60 : x
  2. Step 2: Convert to fraction form
    131,583.68/197,324.04 = 42,815.60/x
  3. Step 3: Cross multiply
    131,583.68x = 197,324.04 × 42,815.60
  4. Step 4: Simplify right side
    131,583.68x = 8,448,547,167.02
  5. Step 5: Solve for x
    x = 8,448,547,167.02/131,583.68
  6. Step 6: Final answer
    x = 64,206.65

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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.