Home / 130,420.24-195,630.36-68,076.16

Finding the Fourth Proportional to 130,420.24, 195,630.36 and 68,076.16

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Solution

The fourth proportional to 130,420.24, 195,630.36 and 68,076.16 is: 102,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420.24 : 195,630.36 = 68,076.16 : x
  2. Step 2: Convert to fraction form
    130,420.24/195,630.36 = 68,076.16/x
  3. Step 3: Cross multiply
    130,420.24x = 195,630.36 × 68,076.16
  4. Step 4: Simplify right side
    130,420.24x = 13,317,763,688.22
  5. Step 5: Solve for x
    x = 13,317,763,688.22/130,420.24
  6. Step 6: Final answer
    x = 102,114.24

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1.5x scale

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.