Home / 131,454.69-197,095.76-47,172.57

Finding the Fourth Proportional to 131,454.69, 197,095.76 and 47,172.57

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Solution

The fourth proportional to 131,454.69, 197,095.76 and 47,172.57 is: 70,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,454.69 : 197,095.76 = 47,172.57 : x
  2. Step 2: Convert to fraction form
    131,454.69/197,095.76 = 47,172.57/x
  3. Step 3: Cross multiply
    131,454.69x = 197,095.76 × 47,172.57
  4. Step 4: Simplify right side
    131,454.69x = 9,297,513,535.30
  5. Step 5: Solve for x
    x = 9,297,513,535.30/131,454.69
  6. Step 6: Final answer
    x = 70,727.90

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1.5x scale

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.