Home / 152,684.97-228,878.54-72,701.45

Finding the Fourth Proportional to 152,684.97, 228,878.54 and 72,701.45

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Solution

The fourth proportional to 152,684.97, 228,878.54 and 72,701.45 is: 108,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,684.97 : 228,878.54 = 72,701.45 : x
  2. Step 2: Convert to fraction form
    152,684.97/228,878.54 = 72,701.45/x
  3. Step 3: Cross multiply
    152,684.97x = 228,878.54 × 72,701.45
  4. Step 4: Simplify right side
    152,684.97x = 16,639,800,223.98
  5. Step 5: Solve for x
    x = 16,639,800,223.98/152,684.97
  6. Step 6: Final answer
    x = 108,981.26

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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.