Home / 135,538.94-187,050.93-75,116.18

Finding the Fourth Proportional to 135,538.94, 187,050.93 and 75,116.18

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Solution

The fourth proportional to 135,538.94, 187,050.93 and 75,116.18 is: 103,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,538.94 : 187,050.93 = 75,116.18 : x
  2. Step 2: Convert to fraction form
    135,538.94/187,050.93 = 75,116.18/x
  3. Step 3: Cross multiply
    135,538.94x = 187,050.93 × 75,116.18
  4. Step 4: Simplify right side
    135,538.94x = 14,050,551,327.05
  5. Step 5: Solve for x
    x = 14,050,551,327.05/135,538.94
  6. Step 6: Final answer
    x = 103,664.31

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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.