Home / 152,686.17-228,999.12-51,474.21

Finding the Fourth Proportional to 152,686.17, 228,999.12 and 51,474.21

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Solution

The fourth proportional to 152,686.17, 228,999.12 and 51,474.21 is: 77,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,686.17 : 228,999.12 = 51,474.21 : x
  2. Step 2: Convert to fraction form
    152,686.17/228,999.12 = 51,474.21/x
  3. Step 3: Cross multiply
    152,686.17x = 228,999.12 × 51,474.21
  4. Step 4: Simplify right side
    152,686.17x = 11,787,548,792.70
  5. Step 5: Solve for x
    x = 11,787,548,792.70/152,686.17
  6. Step 6: Final answer
    x = 77,201.16

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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.