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Finding the Fourth Proportional to 113,955.70, 170,933.67 and 29,715.79

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Solution

The fourth proportional to 113,955.70, 170,933.67 and 29,715.79 is: 44,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,955.70 : 170,933.67 = 29,715.79 : x
  2. Step 2: Convert to fraction form
    113,955.70/170,933.67 = 29,715.79/x
  3. Step 3: Cross multiply
    113,955.70x = 170,933.67 × 29,715.79
  4. Step 4: Simplify right side
    113,955.70x = 5,079,429,041.65
  5. Step 5: Solve for x
    x = 5,079,429,041.65/113,955.70
  6. Step 6: Final answer
    x = 44,573.72

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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.