Home / 189,009.18-283,569.12-55,892.88

Finding the Fourth Proportional to 189,009.18, 283,569.12 and 55,892.88

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Solution

The fourth proportional to 189,009.18, 283,569.12 and 55,892.88 is: 83,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,009.18 : 283,569.12 = 55,892.88 : x
  2. Step 2: Convert to fraction form
    189,009.18/283,569.12 = 55,892.88/x
  3. Step 3: Cross multiply
    189,009.18x = 283,569.12 × 55,892.88
  4. Step 4: Simplify right side
    189,009.18x = 15,849,494,795.87
  5. Step 5: Solve for x
    x = 15,849,494,795.87/189,009.18
  6. Step 6: Final answer
    x = 83,855.69

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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.