Home / 218,180.48-301,090.88-122,686.36

Finding the Fourth Proportional to 218,180.48, 301,090.88 and 122,686.36

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Solution

The fourth proportional to 218,180.48, 301,090.88 and 122,686.36 is: 169,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,180.48 : 301,090.88 = 122,686.36 : x
  2. Step 2: Convert to fraction form
    218,180.48/301,090.88 = 122,686.36/x
  3. Step 3: Cross multiply
    218,180.48x = 301,090.88 × 122,686.36
  4. Step 4: Simplify right side
    218,180.48x = 36,939,744,096.40
  5. Step 5: Solve for x
    x = 36,939,744,096.40/218,180.48
  6. Step 6: Final answer
    x = 169,308.20

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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.