Home / 180,839.74-271,228.65-47,721.40

Finding the Fourth Proportional to 180,839.74, 271,228.65 and 47,721.40

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Solution

The fourth proportional to 180,839.74, 271,228.65 and 47,721.40 is: 71,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,839.74 : 271,228.65 = 47,721.40 : x
  2. Step 2: Convert to fraction form
    180,839.74/271,228.65 = 47,721.40/x
  3. Step 3: Cross multiply
    180,839.74x = 271,228.65 × 47,721.40
  4. Step 4: Simplify right side
    180,839.74x = 12,943,410,898.11
  5. Step 5: Solve for x
    x = 12,943,410,898.11/180,839.74
  6. Step 6: Final answer
    x = 71,573.93

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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.