Home / 114,387.12-171,522.18-47,809.08

Finding the Fourth Proportional to 114,387.12, 171,522.18 and 47,809.08

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Solution

The fourth proportional to 114,387.12, 171,522.18 and 47,809.08 is: 71,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,387.12 : 171,522.18 = 47,809.08 : x
  2. Step 2: Convert to fraction form
    114,387.12/171,522.18 = 47,809.08/x
  3. Step 3: Cross multiply
    114,387.12x = 171,522.18 × 47,809.08
  4. Step 4: Simplify right side
    114,387.12x = 8,200,317,625.39
  5. Step 5: Solve for x
    x = 8,200,317,625.39/114,387.12
  6. Step 6: Final answer
    x = 71,689.17

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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.