Home / 202,316.90-303,475.35-131,458.10

Finding the Fourth Proportional to 202,316.90, 303,475.35 and 131,458.10

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Solution

The fourth proportional to 202,316.90, 303,475.35 and 131,458.10 is: 197,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,316.90 : 303,475.35 = 131,458.10 : x
  2. Step 2: Convert to fraction form
    202,316.90/303,475.35 = 131,458.10/x
  3. Step 3: Cross multiply
    202,316.90x = 303,475.35 × 131,458.10
  4. Step 4: Simplify right side
    202,316.90x = 39,894,292,907.84
  5. Step 5: Solve for x
    x = 39,894,292,907.84/202,316.90
  6. Step 6: Final answer
    x = 197,187.15

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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.