Home / 134,498.88-185,671.44-77,899.32

Finding the Fourth Proportional to 134,498.88, 185,671.44 and 77,899.32

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Solution

The fourth proportional to 134,498.88, 185,671.44 and 77,899.32 is: 107,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,498.88 : 185,671.44 = 77,899.32 : x
  2. Step 2: Convert to fraction form
    134,498.88/185,671.44 = 77,899.32/x
  3. Step 3: Cross multiply
    134,498.88x = 185,671.44 × 77,899.32
  4. Step 4: Simplify right side
    134,498.88x = 14,463,678,919.42
  5. Step 5: Solve for x
    x = 14,463,678,919.42/134,498.88
  6. Step 6: Final answer
    x = 107,537.54

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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.