Home / 283,176.28-424,837.98-105,684.64

Finding the Fourth Proportional to 283,176.28, 424,837.98 and 105,684.64

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Solution

The fourth proportional to 283,176.28, 424,837.98 and 105,684.64 is: 158,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,176.28 : 424,837.98 = 105,684.64 : x
  2. Step 2: Convert to fraction form
    283,176.28/424,837.98 = 105,684.64/x
  3. Step 3: Cross multiply
    283,176.28x = 424,837.98 × 105,684.64
  4. Step 4: Simplify right side
    283,176.28x = 44,898,848,974.63
  5. Step 5: Solve for x
    x = 44,898,848,974.63/283,176.28
  6. Step 6: Final answer
    x = 158,554.41

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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.