Home / 189,101.40-260,956.56-103,061.16

Finding the Fourth Proportional to 189,101.40, 260,956.56 and 103,061.16

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Solution

The fourth proportional to 189,101.40, 260,956.56 and 103,061.16 is: 142,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,101.40 : 260,956.56 = 103,061.16 : x
  2. Step 2: Convert to fraction form
    189,101.40/260,956.56 = 103,061.16/x
  3. Step 3: Cross multiply
    189,101.40x = 260,956.56 × 103,061.16
  4. Step 4: Simplify right side
    189,101.40x = 26,894,485,783.21
  5. Step 5: Solve for x
    x = 26,894,485,783.21/189,101.40
  6. Step 6: Final answer
    x = 142,222.56

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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.