Home / 130,180.60-195,335.70-51,297.40

Finding the Fourth Proportional to 130,180.60, 195,335.70 and 51,297.40

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Solution

The fourth proportional to 130,180.60, 195,335.70 and 51,297.40 is: 76,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,180.60 : 195,335.70 = 51,297.40 : x
  2. Step 2: Convert to fraction form
    130,180.60/195,335.70 = 51,297.40/x
  3. Step 3: Cross multiply
    130,180.60x = 195,335.70 × 51,297.40
  4. Step 4: Simplify right side
    130,180.60x = 10,020,213,537.18
  5. Step 5: Solve for x
    x = 10,020,213,537.18/130,180.60
  6. Step 6: Final answer
    x = 76,971.63

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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.