Home / 152,309.46-228,457.29-39,987.03

Finding the Fourth Proportional to 152,309.46, 228,457.29 and 39,987.03

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Solution

The fourth proportional to 152,309.46, 228,457.29 and 39,987.03 is: 59,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,309.46 : 228,457.29 = 39,987.03 : x
  2. Step 2: Convert to fraction form
    152,309.46/228,457.29 = 39,987.03/x
  3. Step 3: Cross multiply
    152,309.46x = 228,457.29 × 39,987.03
  4. Step 4: Simplify right side
    152,309.46x = 9,135,328,508.95
  5. Step 5: Solve for x
    x = 9,135,328,508.95/152,309.46
  6. Step 6: Final answer
    x = 59,978.73

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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.