Home / 152,342.90-228,489.15-51,139.70

Finding the Fourth Proportional to 152,342.90, 228,489.15 and 51,139.70

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Solution

The fourth proportional to 152,342.90, 228,489.15 and 51,139.70 is: 76,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,342.90 : 228,489.15 = 51,139.70 : x
  2. Step 2: Convert to fraction form
    152,342.90/228,489.15 = 51,139.70/x
  3. Step 3: Cross multiply
    152,342.90x = 228,489.15 × 51,139.70
  4. Step 4: Simplify right side
    152,342.90x = 11,684,866,584.26
  5. Step 5: Solve for x
    x = 11,684,866,584.26/152,342.90
  6. Step 6: Final answer
    x = 76,701.09

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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.