Home / 100,901.03-151,154.64-61,360.07

Finding the Fourth Proportional to 100,901.03, 151,154.64 and 61,360.07

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Solution

The fourth proportional to 100,901.03, 151,154.64 and 61,360.07 is: 91,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,901.03 : 151,154.64 = 61,360.07 : x
  2. Step 2: Convert to fraction form
    100,901.03/151,154.64 = 61,360.07/x
  3. Step 3: Cross multiply
    100,901.03x = 151,154.64 × 61,360.07
  4. Step 4: Simplify right side
    100,901.03x = 9,274,858,535.45
  5. Step 5: Solve for x
    x = 9,274,858,535.45/100,901.03
  6. Step 6: Final answer
    x = 91,920.36

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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.