Home / 152,022.82-228,038.15-72,042.02

Finding the Fourth Proportional to 152,022.82, 228,038.15 and 72,042.02

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Solution

The fourth proportional to 152,022.82, 228,038.15 and 72,042.02 is: 108,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,022.82 : 228,038.15 = 72,042.02 : x
  2. Step 2: Convert to fraction form
    152,022.82/228,038.15 = 72,042.02/x
  3. Step 3: Cross multiply
    152,022.82x = 228,038.15 × 72,042.02
  4. Step 4: Simplify right side
    152,022.82x = 16,428,328,963.06
  5. Step 5: Solve for x
    x = 16,428,328,963.06/152,022.82
  6. Step 6: Final answer
    x = 108,064.89

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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.