Home / 131,719.02-197,578.52-31,879.23

Finding the Fourth Proportional to 131,719.02, 197,578.52 and 31,879.23

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Solution

The fourth proportional to 131,719.02, 197,578.52 and 31,879.23 is: 47,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,719.02 : 197,578.52 = 31,879.23 : x
  2. Step 2: Convert to fraction form
    131,719.02/197,578.52 = 31,879.23/x
  3. Step 3: Cross multiply
    131,719.02x = 197,578.52 × 31,879.23
  4. Step 4: Simplify right side
    131,719.02x = 6,298,650,922.74
  5. Step 5: Solve for x
    x = 6,298,650,922.74/131,719.02
  6. Step 6: Final answer
    x = 47,818.84

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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.