Home / 257,332.01-355,132.35-142,608.24

Finding the Fourth Proportional to 257,332.01, 355,132.35 and 142,608.24

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Solution

The fourth proportional to 257,332.01, 355,132.35 and 142,608.24 is: 196,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,332.01 : 355,132.35 = 142,608.24 : x
  2. Step 2: Convert to fraction form
    257,332.01/355,132.35 = 142,608.24/x
  3. Step 3: Cross multiply
    257,332.01x = 355,132.35 × 142,608.24
  4. Step 4: Simplify right side
    257,332.01x = 50,644,799,400.56
  5. Step 5: Solve for x
    x = 50,644,799,400.56/257,332.01
  6. Step 6: Final answer
    x = 196,807.23

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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.