Home / 154,511.79-231,803.84-47,890.17

Finding the Fourth Proportional to 154,511.79, 231,803.84 and 47,890.17

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Solution

The fourth proportional to 154,511.79, 231,803.84 and 47,890.17 is: 71,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,511.79 : 231,803.84 = 47,890.17 : x
  2. Step 2: Convert to fraction form
    154,511.79/231,803.84 = 47,890.17/x
  3. Step 3: Cross multiply
    154,511.79x = 231,803.84 × 47,890.17
  4. Step 4: Simplify right side
    154,511.79x = 11,101,125,423.98
  5. Step 5: Solve for x
    x = 11,101,125,423.98/154,511.79
  6. Step 6: Final answer
    x = 71,846.46

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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.