Home / 131,092.03-180,908.27-74,503.81

Finding the Fourth Proportional to 131,092.03, 180,908.27 and 74,503.81

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Solution

The fourth proportional to 131,092.03, 180,908.27 and 74,503.81 is: 102,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092.03 : 180,908.27 = 74,503.81 : x
  2. Step 2: Convert to fraction form
    131,092.03/180,908.27 = 74,503.81/x
  3. Step 3: Cross multiply
    131,092.03x = 180,908.27 × 74,503.81
  4. Step 4: Simplify right side
    131,092.03x = 13,478,355,375.51
  5. Step 5: Solve for x
    x = 13,478,355,375.51/131,092.03
  6. Step 6: Final answer
    x = 102,815.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.