Home / 101,834.40-152,751.58-31,719.18

Finding the Fourth Proportional to 101,834.40, 152,751.58 and 31,719.18

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Solution

The fourth proportional to 101,834.40, 152,751.58 and 31,719.18 is: 47,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,834.40 : 152,751.58 = 31,719.18 : x
  2. Step 2: Convert to fraction form
    101,834.40/152,751.58 = 31,719.18/x
  3. Step 3: Cross multiply
    101,834.40x = 152,751.58 × 31,719.18
  4. Step 4: Simplify right side
    101,834.40x = 4,845,154,861.30
  5. Step 5: Solve for x
    x = 4,845,154,861.30/101,834.40
  6. Step 6: Final answer
    x = 47,578.76

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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.