Home / 141,317.64-195,014.28-77,655.36

Finding the Fourth Proportional to 141,317.64, 195,014.28 and 77,655.36

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Solution

The fourth proportional to 141,317.64, 195,014.28 and 77,655.36 is: 107,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.64 : 195,014.28 = 77,655.36 : x
  2. Step 2: Convert to fraction form
    141,317.64/195,014.28 = 77,655.36/x
  3. Step 3: Cross multiply
    141,317.64x = 195,014.28 × 77,655.36
  4. Step 4: Simplify right side
    141,317.64x = 15,143,904,118.54
  5. Step 5: Solve for x
    x = 15,143,904,118.54/141,317.64
  6. Step 6: Final answer
    x = 107,162.16

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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.