Home / 148,539.42-204,779.34-143,886.78

Finding the Fourth Proportional to 148,539.42, 204,779.34 and 143,886.78

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Solution

The fourth proportional to 148,539.42, 204,779.34 and 143,886.78 is: 198,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,539.42 : 204,779.34 = 143,886.78 : x
  2. Step 2: Convert to fraction form
    148,539.42/204,779.34 = 143,886.78/x
  3. Step 3: Cross multiply
    148,539.42x = 204,779.34 × 143,886.78
  4. Step 4: Simplify right side
    148,539.42x = 29,465,039,843.13
  5. Step 5: Solve for x
    x = 29,465,039,843.13/148,539.42
  6. Step 6: Final answer
    x = 198,365.12

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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.