Home / 131,907.15-197,812.26-45,328.47

Finding the Fourth Proportional to 131,907.15, 197,812.26 and 45,328.47

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Solution

The fourth proportional to 131,907.15, 197,812.26 and 45,328.47 is: 67,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,907.15 : 197,812.26 = 45,328.47 : x
  2. Step 2: Convert to fraction form
    131,907.15/197,812.26 = 45,328.47/x
  3. Step 3: Cross multiply
    131,907.15x = 197,812.26 × 45,328.47
  4. Step 4: Simplify right side
    131,907.15x = 8,966,526,351.25
  5. Step 5: Solve for x
    x = 8,966,526,351.25/131,907.15
  6. Step 6: Final answer
    x = 67,976.04

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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.