Home / 189,395.13-283,699-89,635.12

Finding the Fourth Proportional to 189,395.13, 283,699 and 89,635.12

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Solution

The fourth proportional to 189,395.13, 283,699 and 89,635.12 is: 134,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,395.13 : 283,699 = 89,635.12 : x
  2. Step 2: Convert to fraction form
    189,395.13/283,699 = 89,635.12/x
  3. Step 3: Cross multiply
    189,395.13x = 283,699 × 89,635.12
  4. Step 4: Simplify right side
    189,395.13x = 25,429,393,908.88
  5. Step 5: Solve for x
    x = 25,429,393,908.88/189,395.13
  6. Step 6: Final answer
    x = 134,266.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.