Home / 131,233.36-196,881.27-42,486.88

Finding the Fourth Proportional to 131,233.36, 196,881.27 and 42,486.88

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Solution

The fourth proportional to 131,233.36, 196,881.27 and 42,486.88 is: 63,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233.36 : 196,881.27 = 42,486.88 : x
  2. Step 2: Convert to fraction form
    131,233.36/196,881.27 = 42,486.88/x
  3. Step 3: Cross multiply
    131,233.36x = 196,881.27 × 42,486.88
  4. Step 4: Simplify right side
    131,233.36x = 8,364,870,892.74
  5. Step 5: Solve for x
    x = 8,364,870,892.74/131,233.36
  6. Step 6: Final answer
    x = 63,740.43

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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.