Home / 135,638.24-187,200.06-75,222.32

Finding the Fourth Proportional to 135,638.24, 187,200.06 and 75,222.32

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Solution

The fourth proportional to 135,638.24, 187,200.06 and 75,222.32 is: 103,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,638.24 : 187,200.06 = 75,222.32 : x
  2. Step 2: Convert to fraction form
    135,638.24/187,200.06 = 75,222.32/x
  3. Step 3: Cross multiply
    135,638.24x = 187,200.06 × 75,222.32
  4. Step 4: Simplify right side
    135,638.24x = 14,081,622,817.34
  5. Step 5: Solve for x
    x = 14,081,622,817.34/135,638.24
  6. Step 6: Final answer
    x = 103,817.50

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1.5x scale

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.