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Finding the Fourth Proportional to 124,325.40, 186,468.30 and 41,219.40

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Solution

The fourth proportional to 124,325.40, 186,468.30 and 41,219.40 is: 61,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.40 : 186,468.30 = 41,219.40 : x
  2. Step 2: Convert to fraction form
    124,325.40/186,468.30 = 41,219.40/x
  3. Step 3: Cross multiply
    124,325.40x = 186,468.30 × 41,219.40
  4. Step 4: Simplify right side
    124,325.40x = 7,686,111,445.02
  5. Step 5: Solve for x
    x = 7,686,111,445.02/124,325.40
  6. Step 6: Final answer
    x = 61,822.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.