Home / 105,261.36-145,242.36-62,817.36

Finding the Fourth Proportional to 105,261.36, 145,242.36 and 62,817.36

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Solution

The fourth proportional to 105,261.36, 145,242.36 and 62,817.36 is: 86,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,261.36 : 145,242.36 = 62,817.36 : x
  2. Step 2: Convert to fraction form
    105,261.36/145,242.36 = 62,817.36/x
  3. Step 3: Cross multiply
    105,261.36x = 145,242.36 × 62,817.36
  4. Step 4: Simplify right side
    105,261.36x = 9,123,741,615.37
  5. Step 5: Solve for x
    x = 9,123,741,615.37/105,261.36
  6. Step 6: Final answer
    x = 86,677.03

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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.