Home / 130,585.01-195,894.93-51,680.78

Finding the Fourth Proportional to 130,585.01, 195,894.93 and 51,680.78

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Solution

The fourth proportional to 130,585.01, 195,894.93 and 51,680.78 is: 77,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,585.01 : 195,894.93 = 51,680.78 : x
  2. Step 2: Convert to fraction form
    130,585.01/195,894.93 = 51,680.78/x
  3. Step 3: Cross multiply
    130,585.01x = 195,894.93 × 51,680.78
  4. Step 4: Simplify right side
    130,585.01x = 10,124,001,800.97
  5. Step 5: Solve for x
    x = 10,124,001,800.97/130,585.01
  6. Step 6: Final answer
    x = 77,528.06

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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.