Home / 152,951.19-229,450.11-78,030.46

Finding the Fourth Proportional to 152,951.19, 229,450.11 and 78,030.46

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Solution

The fourth proportional to 152,951.19, 229,450.11 and 78,030.46 is: 117,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,951.19 : 229,450.11 = 78,030.46 : x
  2. Step 2: Convert to fraction form
    152,951.19/229,450.11 = 78,030.46/x
  3. Step 3: Cross multiply
    152,951.19x = 229,450.11 × 78,030.46
  4. Step 4: Simplify right side
    152,951.19x = 17,904,097,630.35
  5. Step 5: Solve for x
    x = 17,904,097,630.35/152,951.19
  6. Step 6: Final answer
    x = 117,057.59

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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.