Home / 129,450.26-178,598.49-75,697.25

Finding the Fourth Proportional to 129,450.26, 178,598.49 and 75,697.25

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Solution

The fourth proportional to 129,450.26, 178,598.49 and 75,697.25 is: 104,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,450.26 : 178,598.49 = 75,697.25 : x
  2. Step 2: Convert to fraction form
    129,450.26/178,598.49 = 75,697.25/x
  3. Step 3: Cross multiply
    129,450.26x = 178,598.49 × 75,697.25
  4. Step 4: Simplify right side
    129,450.26x = 13,519,413,370.30
  5. Step 5: Solve for x
    x = 13,519,413,370.30/129,450.26
  6. Step 6: Final answer
    x = 104,437.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.