Home / 202,656.23-279,520.53-142,240.37

Finding the Fourth Proportional to 202,656.23, 279,520.53 and 142,240.37

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Solution

The fourth proportional to 202,656.23, 279,520.53 and 142,240.37 is: 196,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,656.23 : 279,520.53 = 142,240.37 : x
  2. Step 2: Convert to fraction form
    202,656.23/279,520.53 = 142,240.37/x
  3. Step 3: Cross multiply
    202,656.23x = 279,520.53 × 142,240.37
  4. Step 4: Simplify right side
    202,656.23x = 39,759,103,609.80
  5. Step 5: Solve for x
    x = 39,759,103,609.80/202,656.23
  6. Step 6: Final answer
    x = 196,189.89

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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.