Home / 86,144.64-129,215.34-46,951.17

Finding the Fourth Proportional to 86,144.64, 129,215.34 and 46,951.17

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Solution

The fourth proportional to 86,144.64, 129,215.34 and 46,951.17 is: 70,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,144.64 : 129,215.34 = 46,951.17 : x
  2. Step 2: Convert to fraction form
    86,144.64/129,215.34 = 46,951.17/x
  3. Step 3: Cross multiply
    86,144.64x = 129,215.34 × 46,951.17
  4. Step 4: Simplify right side
    86,144.64x = 6,066,811,394.95
  5. Step 5: Solve for x
    x = 6,066,811,394.95/86,144.64
  6. Step 6: Final answer
    x = 70,425.87

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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.