Home / 135,128.79-202,697.37-46,381.14

Finding the Fourth Proportional to 135,128.79, 202,697.37 and 46,381.14

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Solution

The fourth proportional to 135,128.79, 202,697.37 and 46,381.14 is: 69,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,128.79 : 202,697.37 = 46,381.14 : x
  2. Step 2: Convert to fraction form
    135,128.79/202,697.37 = 46,381.14/x
  3. Step 3: Cross multiply
    135,128.79x = 202,697.37 × 46,381.14
  4. Step 4: Simplify right side
    135,128.79x = 9,401,335,095.60
  5. Step 5: Solve for x
    x = 9,401,335,095.60/135,128.79
  6. Step 6: Final answer
    x = 69,573.15

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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.