Home / 189,928.26-262,106.28-105,050.79

Finding the Fourth Proportional to 189,928.26, 262,106.28 and 105,050.79

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Solution

The fourth proportional to 189,928.26, 262,106.28 and 105,050.79 is: 144,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,928.26 : 262,106.28 = 105,050.79 : x
  2. Step 2: Convert to fraction form
    189,928.26/262,106.28 = 105,050.79/x
  3. Step 3: Cross multiply
    189,928.26x = 262,106.28 × 105,050.79
  4. Step 4: Simplify right side
    189,928.26x = 27,534,471,777.96
  5. Step 5: Solve for x
    x = 27,534,471,777.96/189,928.26
  6. Step 6: Final answer
    x = 144,973.01

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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.