Home / 263,779.95-364,015.08-142,921.20

Finding the Fourth Proportional to 263,779.95, 364,015.08 and 142,921.20

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Solution

The fourth proportional to 263,779.95, 364,015.08 and 142,921.20 is: 197,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,779.95 : 364,015.08 = 142,921.20 : x
  2. Step 2: Convert to fraction form
    263,779.95/364,015.08 = 142,921.20/x
  3. Step 3: Cross multiply
    263,779.95x = 364,015.08 × 142,921.20
  4. Step 4: Simplify right side
    263,779.95x = 52,025,472,051.70
  5. Step 5: Solve for x
    x = 52,025,472,051.70/263,779.95
  6. Step 6: Final answer
    x = 197,230.58

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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.