Home / 189,464.15-261,441.90-104,575.74

Finding the Fourth Proportional to 189,464.15, 261,441.90 and 104,575.74

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Solution

The fourth proportional to 189,464.15, 261,441.90 and 104,575.74 is: 144,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,464.15 : 261,441.90 = 104,575.74 : x
  2. Step 2: Convert to fraction form
    189,464.15/261,441.90 = 104,575.74/x
  3. Step 3: Cross multiply
    189,464.15x = 261,441.90 × 104,575.74
  4. Step 4: Simplify right side
    189,464.15x = 27,340,480,159.51
  5. Step 5: Solve for x
    x = 27,340,480,159.51/189,464.15
  6. Step 6: Final answer
    x = 144,304.24

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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.