Home / 146,746.60-219,860.70-130,157.80

Finding the Fourth Proportional to 146,746.60, 219,860.70 and 130,157.80

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Solution

The fourth proportional to 146,746.60, 219,860.70 and 130,157.80 is: 195,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.60 : 219,860.70 = 130,157.80 : x
  2. Step 2: Convert to fraction form
    146,746.60/219,860.70 = 130,157.80/x
  3. Step 3: Cross multiply
    146,746.60x = 219,860.70 × 130,157.80
  4. Step 4: Simplify right side
    146,746.60x = 28,616,585,018.46
  5. Step 5: Solve for x
    x = 28,616,585,018.46/146,746.60
  6. Step 6: Final answer
    x = 195,006.80

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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.