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Finding the Fourth Proportional to 147,744.73, 205,264.21 and 145,973.26

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Solution

The fourth proportional to 147,744.73, 205,264.21 and 145,973.26 is: 202,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.73 : 205,264.21 = 145,973.26 : x
  2. Step 2: Convert to fraction form
    147,744.73/205,264.21 = 145,973.26/x
  3. Step 3: Cross multiply
    147,744.73x = 205,264.21 × 145,973.26
  4. Step 4: Simplify right side
    147,744.73x = 29,963,085,895.02
  5. Step 5: Solve for x
    x = 29,963,085,895.02/147,744.73
  6. Step 6: Final answer
    x = 202,803.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.