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Finding the Fourth Proportional to 147,292.41, 203,264.90 and 83,631.57

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Solution

The fourth proportional to 147,292.41, 203,264.90 and 83,631.57 is: 115,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.41 : 203,264.90 = 83,631.57 : x
  2. Step 2: Convert to fraction form
    147,292.41/203,264.90 = 83,631.57/x
  3. Step 3: Cross multiply
    147,292.41x = 203,264.90 × 83,631.57
  4. Step 4: Simplify right side
    147,292.41x = 16,999,362,294.74
  5. Step 5: Solve for x
    x = 16,999,362,294.74/147,292.41
  6. Step 6: Final answer
    x = 115,412.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.