Home / 251,521.77-347,098.39-142,646.83

Finding the Fourth Proportional to 251,521.77, 347,098.39 and 142,646.83

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Solution

The fourth proportional to 251,521.77, 347,098.39 and 142,646.83 is: 196,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,521.77 : 347,098.39 = 142,646.83 : x
  2. Step 2: Convert to fraction form
    251,521.77/347,098.39 = 142,646.83/x
  3. Step 3: Cross multiply
    251,521.77x = 347,098.39 × 142,646.83
  4. Step 4: Simplify right side
    251,521.77x = 49,512,485,031.60
  5. Step 5: Solve for x
    x = 49,512,485,031.60/251,521.77
  6. Step 6: Final answer
    x = 196,851.69

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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.