Home / 189,848.88-261,983.16-103,806.24

Finding the Fourth Proportional to 189,848.88, 261,983.16 and 103,806.24

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Solution

The fourth proportional to 189,848.88, 261,983.16 and 103,806.24 is: 143,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,848.88 : 261,983.16 = 103,806.24 : x
  2. Step 2: Convert to fraction form
    189,848.88/261,983.16 = 103,806.24/x
  3. Step 3: Cross multiply
    189,848.88x = 261,983.16 × 103,806.24
  4. Step 4: Simplify right side
    189,848.88x = 27,195,486,782.92
  5. Step 5: Solve for x
    x = 27,195,486,782.92/189,848.88
  6. Step 6: Final answer
    x = 143,248.08

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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.