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Finding the Fourth Proportional to 94,259.89, 141,390.80 and 27,701.20

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Solution

The fourth proportional to 94,259.89, 141,390.80 and 27,701.20 is: 41,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,259.89 : 141,390.80 = 27,701.20 : x
  2. Step 2: Convert to fraction form
    94,259.89/141,390.80 = 27,701.20/x
  3. Step 3: Cross multiply
    94,259.89x = 141,390.80 × 27,701.20
  4. Step 4: Simplify right side
    94,259.89x = 3,916,693,983.50
  5. Step 5: Solve for x
    x = 3,916,693,983.50/94,259.89
  6. Step 6: Final answer
    x = 41,552.08

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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.