Home / 134,299.26-185,396.36-85,265.51

Finding the Fourth Proportional to 134,299.26, 185,396.36 and 85,265.51

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Solution

The fourth proportional to 134,299.26, 185,396.36 and 85,265.51 is: 117,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,299.26 : 185,396.36 = 85,265.51 : x
  2. Step 2: Convert to fraction form
    134,299.26/185,396.36 = 85,265.51/x
  3. Step 3: Cross multiply
    134,299.26x = 185,396.36 × 85,265.51
  4. Step 4: Simplify right side
    134,299.26x = 15,807,913,834.23
  5. Step 5: Solve for x
    x = 15,807,913,834.23/134,299.26
  6. Step 6: Final answer
    x = 117,706.63

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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.