Home / 130,478.12-195,784.14-63,917

Finding the Fourth Proportional to 130,478.12, 195,784.14 and 63,917

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Solution

The fourth proportional to 130,478.12, 195,784.14 and 63,917 is: 95,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478.12 : 195,784.14 = 63,917 : x
  2. Step 2: Convert to fraction form
    130,478.12/195,784.14 = 63,917/x
  3. Step 3: Cross multiply
    130,478.12x = 195,784.14 × 63,917
  4. Step 4: Simplify right side
    130,478.12x = 12,513,934,876.38
  5. Step 5: Solve for x
    x = 12,513,934,876.38/130,478.12
  6. Step 6: Final answer
    x = 95,908.30

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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.