Home / 218,019.24-300,875.49-122,525.73

Finding the Fourth Proportional to 218,019.24, 300,875.49 and 122,525.73

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Solution

The fourth proportional to 218,019.24, 300,875.49 and 122,525.73 is: 169,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,019.24 : 300,875.49 = 122,525.73 : x
  2. Step 2: Convert to fraction form
    218,019.24/300,875.49 = 122,525.73/x
  3. Step 3: Cross multiply
    218,019.24x = 300,875.49 × 122,525.73
  4. Step 4: Simplify right side
    218,019.24x = 36,864,989,051.36
  5. Step 5: Solve for x
    x = 36,864,989,051.36/218,019.24
  6. Step 6: Final answer
    x = 169,090.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.