Home / 208,147.02-287,366.66-136,652.37

Finding the Fourth Proportional to 208,147.02, 287,366.66 and 136,652.37

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Solution

The fourth proportional to 208,147.02, 287,366.66 and 136,652.37 is: 188,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,147.02 : 287,366.66 = 136,652.37 : x
  2. Step 2: Convert to fraction form
    208,147.02/287,366.66 = 136,652.37/x
  3. Step 3: Cross multiply
    208,147.02x = 287,366.66 × 136,652.37
  4. Step 4: Simplify right side
    208,147.02x = 39,269,334,464.72
  5. Step 5: Solve for x
    x = 39,269,334,464.72/208,147.02
  6. Step 6: Final answer
    x = 188,661.53

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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.