Home / 134,383.15-185,450.15-77,021.24

Finding the Fourth Proportional to 134,383.15, 185,450.15 and 77,021.24

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Solution

The fourth proportional to 134,383.15, 185,450.15 and 77,021.24 is: 106,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,383.15 : 185,450.15 = 77,021.24 : x
  2. Step 2: Convert to fraction form
    134,383.15/185,450.15 = 77,021.24/x
  3. Step 3: Cross multiply
    134,383.15x = 185,450.15 × 77,021.24
  4. Step 4: Simplify right side
    134,383.15x = 14,283,600,126.08
  5. Step 5: Solve for x
    x = 14,283,600,126.08/134,383.15
  6. Step 6: Final answer
    x = 106,290.12

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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.