Home / 146,720.48-220,080.80-80,124.20

Finding the Fourth Proportional to 146,720.48, 220,080.80 and 80,124.20

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Solution

The fourth proportional to 146,720.48, 220,080.80 and 80,124.20 is: 120,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,720.48 : 220,080.80 = 80,124.20 : x
  2. Step 2: Convert to fraction form
    146,720.48/220,080.80 = 80,124.20/x
  3. Step 3: Cross multiply
    146,720.48x = 220,080.80 × 80,124.20
  4. Step 4: Simplify right side
    146,720.48x = 17,633,796,534.34
  5. Step 5: Solve for x
    x = 17,633,796,534.34/146,720.48
  6. Step 6: Final answer
    x = 120,186.34

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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.