Home / 146,929.80-220,467.60-83,798.40

Finding the Fourth Proportional to 146,929.80, 220,467.60 and 83,798.40

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Solution

The fourth proportional to 146,929.80, 220,467.60 and 83,798.40 is: 125,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,929.80 : 220,467.60 = 83,798.40 : x
  2. Step 2: Convert to fraction form
    146,929.80/220,467.60 = 83,798.40/x
  3. Step 3: Cross multiply
    146,929.80x = 220,467.60 × 83,798.40
  4. Step 4: Simplify right side
    146,929.80x = 18,474,832,131.84
  5. Step 5: Solve for x
    x = 18,474,832,131.84/146,929.80
  6. Step 6: Final answer
    x = 125,739.18

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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.