Home / 189,264.52-261,175.62-104,379.40

Finding the Fourth Proportional to 189,264.52, 261,175.62 and 104,379.40

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Solution

The fourth proportional to 189,264.52, 261,175.62 and 104,379.40 is: 144,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,264.52 : 261,175.62 = 104,379.40 : x
  2. Step 2: Convert to fraction form
    189,264.52/261,175.62 = 104,379.40/x
  3. Step 3: Cross multiply
    189,264.52x = 261,175.62 × 104,379.40
  4. Step 4: Simplify right side
    189,264.52x = 27,261,354,510.23
  5. Step 5: Solve for x
    x = 27,261,354,510.23/189,264.52
  6. Step 6: Final answer
    x = 144,038.38

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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.