Home / 102,670.28-154,005.84-31,592.46

Finding the Fourth Proportional to 102,670.28, 154,005.84 and 31,592.46

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Solution

The fourth proportional to 102,670.28, 154,005.84 and 31,592.46 is: 47,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,670.28 : 154,005.84 = 31,592.46 : x
  2. Step 2: Convert to fraction form
    102,670.28/154,005.84 = 31,592.46/x
  3. Step 3: Cross multiply
    102,670.28x = 154,005.84 × 31,592.46
  4. Step 4: Simplify right side
    102,670.28x = 4,865,423,339.97
  5. Step 5: Solve for x
    x = 4,865,423,339.97/102,670.28
  6. Step 6: Final answer
    x = 47,388.82

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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.