Home / 79,035.14-118,636.26-77,250.34

Finding the Fourth Proportional to 79,035.14, 118,636.26 and 77,250.34

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Solution

The fourth proportional to 79,035.14, 118,636.26 and 77,250.34 is: 115,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.14 : 118,636.26 = 77,250.34 : x
  2. Step 2: Convert to fraction form
    79,035.14/118,636.26 = 77,250.34/x
  3. Step 3: Cross multiply
    79,035.14x = 118,636.26 × 77,250.34
  4. Step 4: Simplify right side
    79,035.14x = 9,164,691,421.33
  5. Step 5: Solve for x
    x = 9,164,691,421.33/79,035.14
  6. Step 6: Final answer
    x = 115,957.17

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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.