Home / 134,436.90-201,148.67-80,201.01

Finding the Fourth Proportional to 134,436.90, 201,148.67 and 80,201.01

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Solution

The fourth proportional to 134,436.90, 201,148.67 and 80,201.01 is: 119,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.90 : 201,148.67 = 80,201.01 : x
  2. Step 2: Convert to fraction form
    134,436.90/201,148.67 = 80,201.01/x
  3. Step 3: Cross multiply
    134,436.90x = 201,148.67 × 80,201.01
  4. Step 4: Simplify right side
    134,436.90x = 16,132,326,093.15
  5. Step 5: Solve for x
    x = 16,132,326,093.15/134,436.90
  6. Step 6: Final answer
    x = 119,999.24

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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.