Home / 190,429.20-285,643.80-50,187.83

Finding the Fourth Proportional to 190,429.20, 285,643.80 and 50,187.83

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Solution

The fourth proportional to 190,429.20, 285,643.80 and 50,187.83 is: 75,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,429.20 : 285,643.80 = 50,187.83 : x
  2. Step 2: Convert to fraction form
    190,429.20/285,643.80 = 50,187.83/x
  3. Step 3: Cross multiply
    190,429.20x = 285,643.80 × 50,187.83
  4. Step 4: Simplify right side
    190,429.20x = 14,335,841,046.74
  5. Step 5: Solve for x
    x = 14,335,841,046.74/190,429.20
  6. Step 6: Final answer
    x = 75,281.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.