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Finding the Fourth Proportional to 150,815.71, 208,030.03 and 92,646.98

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Solution

The fourth proportional to 150,815.71, 208,030.03 and 92,646.98 is: 127,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,815.71 : 208,030.03 = 92,646.98 : x
  2. Step 2: Convert to fraction form
    150,815.71/208,030.03 = 92,646.98/x
  3. Step 3: Cross multiply
    150,815.71x = 208,030.03 × 92,646.98
  4. Step 4: Simplify right side
    150,815.71x = 19,273,354,028.81
  5. Step 5: Solve for x
    x = 19,273,354,028.81/150,815.71
  6. Step 6: Final answer
    x = 127,794.07

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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.