Home / 200,964.02-277,273.53-129,385.49

Finding the Fourth Proportional to 200,964.02, 277,273.53 and 129,385.49

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Solution

The fourth proportional to 200,964.02, 277,273.53 and 129,385.49 is: 178,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,964.02 : 277,273.53 = 129,385.49 : x
  2. Step 2: Convert to fraction form
    200,964.02/277,273.53 = 129,385.49/x
  3. Step 3: Cross multiply
    200,964.02x = 277,273.53 × 129,385.49
  4. Step 4: Simplify right side
    200,964.02x = 35,875,171,543.08
  5. Step 5: Solve for x
    x = 35,875,171,543.08/200,964.02
  6. Step 6: Final answer
    x = 178,515.40

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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.