Home / 202,054.12-303,081.18-89,707.93

Finding the Fourth Proportional to 202,054.12, 303,081.18 and 89,707.93

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Solution

The fourth proportional to 202,054.12, 303,081.18 and 89,707.93 is: 134,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,054.12 : 303,081.18 = 89,707.93 : x
  2. Step 2: Convert to fraction form
    202,054.12/303,081.18 = 89,707.93/x
  3. Step 3: Cross multiply
    202,054.12x = 303,081.18 × 89,707.93
  4. Step 4: Simplify right side
    202,054.12x = 27,188,785,279.76
  5. Step 5: Solve for x
    x = 27,188,785,279.76/202,054.12
  6. Step 6: Final answer
    x = 134,561.90

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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.