Home / 260,649.12-390,700.08-110,854.56

Finding the Fourth Proportional to 260,649.12, 390,700.08 and 110,854.56

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Solution

The fourth proportional to 260,649.12, 390,700.08 and 110,854.56 is: 166,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,649.12 : 390,700.08 = 110,854.56 : x
  2. Step 2: Convert to fraction form
    260,649.12/390,700.08 = 110,854.56/x
  3. Step 3: Cross multiply
    260,649.12x = 390,700.08 × 110,854.56
  4. Step 4: Simplify right side
    260,649.12x = 43,310,885,460.36
  5. Step 5: Solve for x
    x = 43,310,885,460.36/260,649.12
  6. Step 6: Final answer
    x = 166,165.48

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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.