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Finding the Fourth Proportional to 141,837.40, 212,537.40 and 123,029.20

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Solution

The fourth proportional to 141,837.40, 212,537.40 and 123,029.20 is: 184,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,837.40 : 212,537.40 = 123,029.20 : x
  2. Step 2: Convert to fraction form
    141,837.40/212,537.40 = 123,029.20/x
  3. Step 3: Cross multiply
    141,837.40x = 212,537.40 × 123,029.20
  4. Step 4: Simplify right side
    141,837.40x = 26,148,306,292.08
  5. Step 5: Solve for x
    x = 26,148,306,292.08/141,837.40
  6. Step 6: Final answer
    x = 184,354.10

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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.