Home / 212,870.12-293,754.48-117,376.79

Finding the Fourth Proportional to 212,870.12, 293,754.48 and 117,376.79

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Solution

The fourth proportional to 212,870.12, 293,754.48 and 117,376.79 is: 161,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870.12 : 293,754.48 = 117,376.79 : x
  2. Step 2: Convert to fraction form
    212,870.12/293,754.48 = 117,376.79/x
  3. Step 3: Cross multiply
    212,870.12x = 293,754.48 × 117,376.79
  4. Step 4: Simplify right side
    212,870.12x = 34,479,957,910.52
  5. Step 5: Solve for x
    x = 34,479,957,910.52/212,870.12
  6. Step 6: Final answer
    x = 161,976.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.