Home / 141,536.08-195,318.28-77,007.28

Finding the Fourth Proportional to 141,536.08, 195,318.28 and 77,007.28

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Solution

The fourth proportional to 141,536.08, 195,318.28 and 77,007.28 is: 106,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,536.08 : 195,318.28 = 77,007.28 : x
  2. Step 2: Convert to fraction form
    141,536.08/195,318.28 = 77,007.28/x
  3. Step 3: Cross multiply
    141,536.08x = 195,318.28 × 77,007.28
  4. Step 4: Simplify right side
    141,536.08x = 15,040,929,477.08
  5. Step 5: Solve for x
    x = 15,040,929,477.08/141,536.08
  6. Step 6: Final answer
    x = 106,269.22

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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.