Home / 165,404.40-248,116-47,066.38

Finding the Fourth Proportional to 165,404.40, 248,116 and 47,066.38

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Solution

The fourth proportional to 165,404.40, 248,116 and 47,066.38 is: 70,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,404.40 : 248,116 = 47,066.38 : x
  2. Step 2: Convert to fraction form
    165,404.40/248,116 = 47,066.38/x
  3. Step 3: Cross multiply
    165,404.40x = 248,116 × 47,066.38
  4. Step 4: Simplify right side
    165,404.40x = 11,677,921,940.08
  5. Step 5: Solve for x
    x = 11,677,921,940.08/165,404.40
  6. Step 6: Final answer
    x = 70,602.24

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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.