Home / 205,515.02-283,602.03-129,074.06

Finding the Fourth Proportional to 205,515.02, 283,602.03 and 129,074.06

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Solution

The fourth proportional to 205,515.02, 283,602.03 and 129,074.06 is: 178,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,515.02 : 283,602.03 = 129,074.06 : x
  2. Step 2: Convert to fraction form
    205,515.02/283,602.03 = 129,074.06/x
  3. Step 3: Cross multiply
    205,515.02x = 283,602.03 × 129,074.06
  4. Step 4: Simplify right side
    205,515.02x = 36,605,665,436.34
  5. Step 5: Solve for x
    x = 36,605,665,436.34/205,515.02
  6. Step 6: Final answer
    x = 178,116.74

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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.