Home / 152,768.36-229,108.80-52,902.66

Finding the Fourth Proportional to 152,768.36, 229,108.80 and 52,902.66

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Solution

The fourth proportional to 152,768.36, 229,108.80 and 52,902.66 is: 79,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,768.36 : 229,108.80 = 52,902.66 : x
  2. Step 2: Convert to fraction form
    152,768.36/229,108.80 = 52,902.66/x
  3. Step 3: Cross multiply
    152,768.36x = 229,108.80 × 52,902.66
  4. Step 4: Simplify right side
    152,768.36x = 12,120,464,949.41
  5. Step 5: Solve for x
    x = 12,120,464,949.41/152,768.36
  6. Step 6: Final answer
    x = 79,338.84

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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.