Home / 151,034.63-208,433.81-90,583.21

Finding the Fourth Proportional to 151,034.63, 208,433.81 and 90,583.21

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Solution

The fourth proportional to 151,034.63, 208,433.81 and 90,583.21 is: 125,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,034.63 : 208,433.81 = 90,583.21 : x
  2. Step 2: Convert to fraction form
    151,034.63/208,433.81 = 90,583.21/x
  3. Step 3: Cross multiply
    151,034.63x = 208,433.81 × 90,583.21
  4. Step 4: Simplify right side
    151,034.63x = 18,880,603,559.80
  5. Step 5: Solve for x
    x = 18,880,603,559.80/151,034.63
  6. Step 6: Final answer
    x = 125,008.44

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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.