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Finding the Fourth Proportional to 134,582.31, 201,873.42 and 39,805.10

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Solution

The fourth proportional to 134,582.31, 201,873.42 and 39,805.10 is: 59,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,582.31 : 201,873.42 = 39,805.10 : x
  2. Step 2: Convert to fraction form
    134,582.31/201,873.42 = 39,805.10/x
  3. Step 3: Cross multiply
    134,582.31x = 201,873.42 × 39,805.10
  4. Step 4: Simplify right side
    134,582.31x = 8,035,590,661.07
  5. Step 5: Solve for x
    x = 8,035,590,661.07/134,582.31
  6. Step 6: Final answer
    x = 59,707.63

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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.