Home / 157,902.06-236,824.05-69,139.02

Finding the Fourth Proportional to 157,902.06, 236,824.05 and 69,139.02

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Solution

The fourth proportional to 157,902.06, 236,824.05 and 69,139.02 is: 103,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,902.06 : 236,824.05 = 69,139.02 : x
  2. Step 2: Convert to fraction form
    157,902.06/236,824.05 = 69,139.02/x
  3. Step 3: Cross multiply
    157,902.06x = 236,824.05 × 69,139.02
  4. Step 4: Simplify right side
    157,902.06x = 16,373,782,729.43
  5. Step 5: Solve for x
    x = 16,373,782,729.43/157,902.06
  6. Step 6: Final answer
    x = 103,695.81

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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.