Home / 289,946.70-434,914.56-119,132.10

Finding the Fourth Proportional to 289,946.70, 434,914.56 and 119,132.10

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Solution

The fourth proportional to 289,946.70, 434,914.56 and 119,132.10 is: 178,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,946.70 : 434,914.56 = 119,132.10 : x
  2. Step 2: Convert to fraction form
    289,946.70/434,914.56 = 119,132.10/x
  3. Step 3: Cross multiply
    289,946.70x = 434,914.56 × 119,132.10
  4. Step 4: Simplify right side
    289,946.70x = 51,812,284,853.38
  5. Step 5: Solve for x
    x = 51,812,284,853.38/289,946.70
  6. Step 6: Final answer
    x = 178,695.89

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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.