Home / 149,656.13-206,559.29-101,928.50

Finding the Fourth Proportional to 149,656.13, 206,559.29 and 101,928.50

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Solution

The fourth proportional to 149,656.13, 206,559.29 and 101,928.50 is: 140,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,656.13 : 206,559.29 = 101,928.50 : x
  2. Step 2: Convert to fraction form
    149,656.13/206,559.29 = 101,928.50/x
  3. Step 3: Cross multiply
    149,656.13x = 206,559.29 × 101,928.50
  4. Step 4: Simplify right side
    149,656.13x = 21,054,278,590.77
  5. Step 5: Solve for x
    x = 21,054,278,590.77/149,656.13
  6. Step 6: Final answer
    x = 140,684.37

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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.