Home / 152,910.59-211,001.15-89,285.28

Finding the Fourth Proportional to 152,910.59, 211,001.15 and 89,285.28

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Solution

The fourth proportional to 152,910.59, 211,001.15 and 89,285.28 is: 123,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,910.59 : 211,001.15 = 89,285.28 : x
  2. Step 2: Convert to fraction form
    152,910.59/211,001.15 = 89,285.28/x
  3. Step 3: Cross multiply
    152,910.59x = 211,001.15 × 89,285.28
  4. Step 4: Simplify right side
    152,910.59x = 18,839,296,311.65
  5. Step 5: Solve for x
    x = 18,839,296,311.65/152,910.59
  6. Step 6: Final answer
    x = 123,204.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.