Home / 152,645.22-228,921.15-105,562.89

Finding the Fourth Proportional to 152,645.22, 228,921.15 and 105,562.89

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Solution

The fourth proportional to 152,645.22, 228,921.15 and 105,562.89 is: 158,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,645.22 : 228,921.15 = 105,562.89 : x
  2. Step 2: Convert to fraction form
    152,645.22/228,921.15 = 105,562.89/x
  3. Step 3: Cross multiply
    152,645.22x = 228,921.15 × 105,562.89
  4. Step 4: Simplify right side
    152,645.22x = 24,165,578,176.12
  5. Step 5: Solve for x
    x = 24,165,578,176.12/152,645.22
  6. Step 6: Final answer
    x = 158,312.05

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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.