Home / 105,325.44-145,351.84-62,908.40

Finding the Fourth Proportional to 105,325.44, 145,351.84 and 62,908.40

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Solution

The fourth proportional to 105,325.44, 145,351.84 and 62,908.40 is: 86,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,325.44 : 145,351.84 = 62,908.40 : x
  2. Step 2: Convert to fraction form
    105,325.44/145,351.84 = 62,908.40/x
  3. Step 3: Cross multiply
    105,325.44x = 145,351.84 × 62,908.40
  4. Step 4: Simplify right side
    105,325.44x = 9,143,851,691.46
  5. Step 5: Solve for x
    x = 9,143,851,691.46/105,325.44
  6. Step 6: Final answer
    x = 86,815.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.