Home / 131,449.76-197,192.40-42,674.48

Finding the Fourth Proportional to 131,449.76, 197,192.40 and 42,674.48

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Solution

The fourth proportional to 131,449.76, 197,192.40 and 42,674.48 is: 64,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,449.76 : 197,192.40 = 42,674.48 : x
  2. Step 2: Convert to fraction form
    131,449.76/197,192.40 = 42,674.48/x
  3. Step 3: Cross multiply
    131,449.76x = 197,192.40 × 42,674.48
  4. Step 4: Simplify right side
    131,449.76x = 8,415,083,129.95
  5. Step 5: Solve for x
    x = 8,415,083,129.95/131,449.76
  6. Step 6: Final answer
    x = 64,017.49

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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.