Home / 251,918.02-347,641.64-137,197.92

Finding the Fourth Proportional to 251,918.02, 347,641.64 and 137,197.92

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Solution

The fourth proportional to 251,918.02, 347,641.64 and 137,197.92 is: 189,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,918.02 : 347,641.64 = 137,197.92 : x
  2. Step 2: Convert to fraction form
    251,918.02/347,641.64 = 137,197.92/x
  3. Step 3: Cross multiply
    251,918.02x = 347,641.64 × 137,197.92
  4. Step 4: Simplify right side
    251,918.02x = 47,695,709,913.39
  5. Step 5: Solve for x
    x = 47,695,709,913.39/251,918.02
  6. Step 6: Final answer
    x = 189,330.28

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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.