Home / 208,622.02-287,893.29-113,126.26

Finding the Fourth Proportional to 208,622.02, 287,893.29 and 113,126.26

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Solution

The fourth proportional to 208,622.02, 287,893.29 and 113,126.26 is: 156,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,622.02 : 287,893.29 = 113,126.26 : x
  2. Step 2: Convert to fraction form
    208,622.02/287,893.29 = 113,126.26/x
  3. Step 3: Cross multiply
    208,622.02x = 287,893.29 × 113,126.26
  4. Step 4: Simplify right side
    208,622.02x = 32,568,291,176.80
  5. Step 5: Solve for x
    x = 32,568,291,176.80/208,622.02
  6. Step 6: Final answer
    x = 156,111.47

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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.