Home / 189,582.28-284,267.58-119,311

Finding the Fourth Proportional to 189,582.28, 284,267.58 and 119,311

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Solution

The fourth proportional to 189,582.28, 284,267.58 and 119,311 is: 178,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,582.28 : 284,267.58 = 119,311 : x
  2. Step 2: Convert to fraction form
    189,582.28/284,267.58 = 119,311/x
  3. Step 3: Cross multiply
    189,582.28x = 284,267.58 × 119,311
  4. Step 4: Simplify right side
    189,582.28x = 33,916,249,237.38
  5. Step 5: Solve for x
    x = 33,916,249,237.38/189,582.28
  6. Step 6: Final answer
    x = 178,899.89

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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.