Home / 101,026.00-151,309.61-78,354.68

Finding the Fourth Proportional to 101,026.00, 151,309.61 and 78,354.68

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Solution

The fourth proportional to 101,026.00, 151,309.61 and 78,354.68 is: 117,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,026.00 : 151,309.61 = 78,354.68 : x
  2. Step 2: Convert to fraction form
    101,026.00/151,309.61 = 78,354.68/x
  3. Step 3: Cross multiply
    101,026.00x = 151,309.61 × 78,354.68
  4. Step 4: Simplify right side
    101,026.00x = 11,855,816,646.64
  5. Step 5: Solve for x
    x = 11,855,816,646.64/101,026.00
  6. Step 6: Final answer
    x = 117,354.12

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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.