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Finding the Fourth Proportional to 151,371.25, 208,892.33 and 84,303.25

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Solution

The fourth proportional to 151,371.25, 208,892.33 and 84,303.25 is: 116,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,371.25 : 208,892.33 = 84,303.25 : x
  2. Step 2: Convert to fraction form
    151,371.25/208,892.33 = 84,303.25/x
  3. Step 3: Cross multiply
    151,371.25x = 208,892.33 × 84,303.25
  4. Step 4: Simplify right side
    151,371.25x = 17,610,302,319.07
  5. Step 5: Solve for x
    x = 17,610,302,319.07/151,371.25
  6. Step 6: Final answer
    x = 116,338.49

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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.