Home / 189,566.28-284,243.58-119,295

Finding the Fourth Proportional to 189,566.28, 284,243.58 and 119,295

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Solution

The fourth proportional to 189,566.28, 284,243.58 and 119,295 is: 178,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,566.28 : 284,243.58 = 119,295 : x
  2. Step 2: Convert to fraction form
    189,566.28/284,243.58 = 119,295/x
  3. Step 3: Cross multiply
    189,566.28x = 284,243.58 × 119,295
  4. Step 4: Simplify right side
    189,566.28x = 33,908,837,876.10
  5. Step 5: Solve for x
    x = 33,908,837,876.10/189,566.28
  6. Step 6: Final answer
    x = 178,875.89

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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.