Home / 102,294.20-153,441.32-31,217.22

Finding the Fourth Proportional to 102,294.20, 153,441.32 and 31,217.22

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Solution

The fourth proportional to 102,294.20, 153,441.32 and 31,217.22 is: 46,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,294.20 : 153,441.32 = 31,217.22 : x
  2. Step 2: Convert to fraction form
    102,294.20/153,441.32 = 31,217.22/x
  3. Step 3: Cross multiply
    102,294.20x = 153,441.32 × 31,217.22
  4. Step 4: Simplify right side
    102,294.20x = 4,790,011,443.53
  5. Step 5: Solve for x
    x = 4,790,011,443.53/102,294.20
  6. Step 6: Final answer
    x = 46,825.84

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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.