Home / 208,066.80-287,131.02-117,452.22

Finding the Fourth Proportional to 208,066.80, 287,131.02 and 117,452.22

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Solution

The fourth proportional to 208,066.80, 287,131.02 and 117,452.22 is: 162,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,066.80 : 287,131.02 = 117,452.22 : x
  2. Step 2: Convert to fraction form
    208,066.80/287,131.02 = 117,452.22/x
  3. Step 3: Cross multiply
    208,066.80x = 287,131.02 × 117,452.22
  4. Step 4: Simplify right side
    208,066.80x = 33,724,175,729.86
  5. Step 5: Solve for x
    x = 33,724,175,729.86/208,066.80
  6. Step 6: Final answer
    x = 162,083.41

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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.