Home / 139,094.15-208,635.64-96,852.20

Finding the Fourth Proportional to 139,094.15, 208,635.64 and 96,852.20

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Solution

The fourth proportional to 139,094.15, 208,635.64 and 96,852.20 is: 145,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,094.15 : 208,635.64 = 96,852.20 : x
  2. Step 2: Convert to fraction form
    139,094.15/208,635.64 = 96,852.20/x
  3. Step 3: Cross multiply
    139,094.15x = 208,635.64 × 96,852.20
  4. Step 4: Simplify right side
    139,094.15x = 20,206,819,447.10
  5. Step 5: Solve for x
    x = 20,206,819,447.10/139,094.15
  6. Step 6: Final answer
    x = 145,274.41

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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.