Home / 152,422.70-228,763.65-68,312.30

Finding the Fourth Proportional to 152,422.70, 228,763.65 and 68,312.30

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Solution

The fourth proportional to 152,422.70, 228,763.65 and 68,312.30 is: 102,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,422.70 : 228,763.65 = 68,312.30 : x
  2. Step 2: Convert to fraction form
    152,422.70/228,763.65 = 68,312.30/x
  3. Step 3: Cross multiply
    152,422.70x = 228,763.65 × 68,312.30
  4. Step 4: Simplify right side
    152,422.70x = 15,627,371,087.90
  5. Step 5: Solve for x
    x = 15,627,371,087.90/152,422.70
  6. Step 6: Final answer
    x = 102,526.53

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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.