Home / 152,649.20-228,973.80-99,505.10

Finding the Fourth Proportional to 152,649.20, 228,973.80 and 99,505.10

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Solution

The fourth proportional to 152,649.20, 228,973.80 and 99,505.10 is: 149,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,649.20 : 228,973.80 = 99,505.10 : x
  2. Step 2: Convert to fraction form
    152,649.20/228,973.80 = 99,505.10/x
  3. Step 3: Cross multiply
    152,649.20x = 228,973.80 × 99,505.10
  4. Step 4: Simplify right side
    152,649.20x = 22,784,060,866.38
  5. Step 5: Solve for x
    x = 22,784,060,866.38/152,649.20
  6. Step 6: Final answer
    x = 149,257.65

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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.