Home / 136,444.26-188,309.44-79,855.50

Finding the Fourth Proportional to 136,444.26, 188,309.44 and 79,855.50

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Solution

The fourth proportional to 136,444.26, 188,309.44 and 79,855.50 is: 110,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.26 : 188,309.44 = 79,855.50 : x
  2. Step 2: Convert to fraction form
    136,444.26/188,309.44 = 79,855.50/x
  3. Step 3: Cross multiply
    136,444.26x = 188,309.44 × 79,855.50
  4. Step 4: Simplify right side
    136,444.26x = 15,037,544,485.92
  5. Step 5: Solve for x
    x = 15,037,544,485.92/136,444.26
  6. Step 6: Final answer
    x = 110,210.17

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1.5x scale

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.