Home / 131,094.03-180,911.03-74,505.81

Finding the Fourth Proportional to 131,094.03, 180,911.03 and 74,505.81

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Solution

The fourth proportional to 131,094.03, 180,911.03 and 74,505.81 is: 102,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,094.03 : 180,911.03 = 74,505.81 : x
  2. Step 2: Convert to fraction form
    131,094.03/180,911.03 = 74,505.81/x
  3. Step 3: Cross multiply
    131,094.03x = 180,911.03 × 74,505.81
  4. Step 4: Simplify right side
    131,094.03x = 13,478,922,828.08
  5. Step 5: Solve for x
    x = 13,478,922,828.08/131,094.03
  6. Step 6: Final answer
    x = 102,818.74

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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.