Home / 269,779.20-404,717.40-112,023.60

Finding the Fourth Proportional to 269,779.20, 404,717.40 and 112,023.60

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Solution

The fourth proportional to 269,779.20, 404,717.40 and 112,023.60 is: 168,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,779.20 : 404,717.40 = 112,023.60 : x
  2. Step 2: Convert to fraction form
    269,779.20/404,717.40 = 112,023.60/x
  3. Step 3: Cross multiply
    269,779.20x = 404,717.40 × 112,023.60
  4. Step 4: Simplify right side
    269,779.20x = 45,337,900,130.64
  5. Step 5: Solve for x
    x = 45,337,900,130.64/269,779.20
  6. Step 6: Final answer
    x = 168,055.58

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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.