Home / 189,372.83-261,339.93-104,495.36

Finding the Fourth Proportional to 189,372.83, 261,339.93 and 104,495.36

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Solution

The fourth proportional to 189,372.83, 261,339.93 and 104,495.36 is: 144,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,372.83 : 261,339.93 = 104,495.36 : x
  2. Step 2: Convert to fraction form
    189,372.83/261,339.93 = 104,495.36/x
  3. Step 3: Cross multiply
    189,372.83x = 261,339.93 × 104,495.36
  4. Step 4: Simplify right side
    189,372.83x = 27,308,808,761.03
  5. Step 5: Solve for x
    x = 27,308,808,761.03/189,372.83
  6. Step 6: Final answer
    x = 144,206.59

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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.