Home / 119,071.68-178,608.60-39,108.48

Finding the Fourth Proportional to 119,071.68, 178,608.60 and 39,108.48

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Solution

The fourth proportional to 119,071.68, 178,608.60 and 39,108.48 is: 58,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,071.68 : 178,608.60 = 39,108.48 : x
  2. Step 2: Convert to fraction form
    119,071.68/178,608.60 = 39,108.48/x
  3. Step 3: Cross multiply
    119,071.68x = 178,608.60 × 39,108.48
  4. Step 4: Simplify right side
    119,071.68x = 6,985,110,860.93
  5. Step 5: Solve for x
    x = 6,985,110,860.93/119,071.68
  6. Step 6: Final answer
    x = 58,663.07

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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.