Home / 114,981.75-172,472.63-31,875.75

Finding the Fourth Proportional to 114,981.75, 172,472.63 and 31,875.75

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Solution

The fourth proportional to 114,981.75, 172,472.63 and 31,875.75 is: 47,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,981.75 : 172,472.63 = 31,875.75 : x
  2. Step 2: Convert to fraction form
    114,981.75/172,472.63 = 31,875.75/x
  3. Step 3: Cross multiply
    114,981.75x = 172,472.63 × 31,875.75
  4. Step 4: Simplify right side
    114,981.75x = 5,497,694,276.34
  5. Step 5: Solve for x
    x = 5,497,694,276.34/114,981.75
  6. Step 6: Final answer
    x = 47,813.63

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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.