Home / 217,579.35-300,160.61-141,117.71

Finding the Fourth Proportional to 217,579.35, 300,160.61 and 141,117.71

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Solution

The fourth proportional to 217,579.35, 300,160.61 and 141,117.71 is: 194,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.35 : 300,160.61 = 141,117.71 : x
  2. Step 2: Convert to fraction form
    217,579.35/300,160.61 = 141,117.71/x
  3. Step 3: Cross multiply
    217,579.35x = 300,160.61 × 141,117.71
  4. Step 4: Simplify right side
    217,579.35x = 42,357,977,915.40
  5. Step 5: Solve for x
    x = 42,357,977,915.40/217,579.35
  6. Step 6: Final answer
    x = 194,678.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.