Home / 215,345.09-323,047.18-73,152.19

Finding the Fourth Proportional to 215,345.09, 323,047.18 and 73,152.19

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Solution

The fourth proportional to 215,345.09, 323,047.18 and 73,152.19 is: 109,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.09 : 323,047.18 = 73,152.19 : x
  2. Step 2: Convert to fraction form
    215,345.09/323,047.18 = 73,152.19/x
  3. Step 3: Cross multiply
    215,345.09x = 323,047.18 × 73,152.19
  4. Step 4: Simplify right side
    215,345.09x = 23,631,608,690.32
  5. Step 5: Solve for x
    x = 23,631,608,690.32/215,345.09
  6. Step 6: Final answer
    x = 109,738.32

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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.