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Finding the Fourth Proportional to 124,335.40, 186,483.30 and 41,229.40

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Solution

The fourth proportional to 124,335.40, 186,483.30 and 41,229.40 is: 61,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,335.40 : 186,483.30 = 41,229.40 : x
  2. Step 2: Convert to fraction form
    124,335.40/186,483.30 = 41,229.40/x
  3. Step 3: Cross multiply
    124,335.40x = 186,483.30 × 41,229.40
  4. Step 4: Simplify right side
    124,335.40x = 7,688,594,569.02
  5. Step 5: Solve for x
    x = 7,688,594,569.02/124,335.40
  6. Step 6: Final answer
    x = 61,837.53

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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.