Home / 136,014.31-187,699.96-75,583.40

Finding the Fourth Proportional to 136,014.31, 187,699.96 and 75,583.40

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Solution

The fourth proportional to 136,014.31, 187,699.96 and 75,583.40 is: 104,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.31 : 187,699.96 = 75,583.40 : x
  2. Step 2: Convert to fraction form
    136,014.31/187,699.96 = 75,583.40/x
  3. Step 3: Cross multiply
    136,014.31x = 187,699.96 × 75,583.40
  4. Step 4: Simplify right side
    136,014.31x = 14,187,001,683.78
  5. Step 5: Solve for x
    x = 14,187,001,683.78/136,014.31
  6. Step 6: Final answer
    x = 104,305.21

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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.