Home / 152,316.80-228,529.84-68,069.92

Finding the Fourth Proportional to 152,316.80, 228,529.84 and 68,069.92

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Solution

The fourth proportional to 152,316.80, 228,529.84 and 68,069.92 is: 102,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,316.80 : 228,529.84 = 68,069.92 : x
  2. Step 2: Convert to fraction form
    152,316.80/228,529.84 = 68,069.92/x
  3. Step 3: Cross multiply
    152,316.80x = 228,529.84 × 68,069.92
  4. Step 4: Simplify right side
    152,316.80x = 15,556,007,926.41
  5. Step 5: Solve for x
    x = 15,556,007,926.41/152,316.80
  6. Step 6: Final answer
    x = 102,129.30

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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.