Home / 161,128.08-241,675.11-42,811.38

Finding the Fourth Proportional to 161,128.08, 241,675.11 and 42,811.38

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Solution

The fourth proportional to 161,128.08, 241,675.11 and 42,811.38 is: 64,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,128.08 : 241,675.11 = 42,811.38 : x
  2. Step 2: Convert to fraction form
    161,128.08/241,675.11 = 42,811.38/x
  3. Step 3: Cross multiply
    161,128.08x = 241,675.11 × 42,811.38
  4. Step 4: Simplify right side
    161,128.08x = 10,346,444,970.75
  5. Step 5: Solve for x
    x = 10,346,444,970.75/161,128.08
  6. Step 6: Final answer
    x = 64,212.55

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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.