Home / 131,146.90-197,109.15-114,039.70

Finding the Fourth Proportional to 131,146.90, 197,109.15 and 114,039.70

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Solution

The fourth proportional to 131,146.90, 197,109.15 and 114,039.70 is: 171,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,146.90 : 197,109.15 = 114,039.70 : x
  2. Step 2: Convert to fraction form
    131,146.90/197,109.15 = 114,039.70/x
  3. Step 3: Cross multiply
    131,146.90x = 197,109.15 × 114,039.70
  4. Step 4: Simplify right side
    131,146.90x = 22,478,268,333.26
  5. Step 5: Solve for x
    x = 22,478,268,333.26/131,146.90
  6. Step 6: Final answer
    x = 171,397.63

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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.