Home / 202,025.25-278,779.26-111,380.94

Finding the Fourth Proportional to 202,025.25, 278,779.26 and 111,380.94

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Solution

The fourth proportional to 202,025.25, 278,779.26 and 111,380.94 is: 153,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,025.25 : 278,779.26 = 111,380.94 : x
  2. Step 2: Convert to fraction form
    202,025.25/278,779.26 = 111,380.94/x
  3. Step 3: Cross multiply
    202,025.25x = 278,779.26 × 111,380.94
  4. Step 4: Simplify right side
    202,025.25x = 31,050,696,031.30
  5. Step 5: Solve for x
    x = 31,050,696,031.30/202,025.25
  6. Step 6: Final answer
    x = 153,697.10

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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.