Home / 135,866.30-187,501.32-75,436.94

Finding the Fourth Proportional to 135,866.30, 187,501.32 and 75,436.94

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Solution

The fourth proportional to 135,866.30, 187,501.32 and 75,436.94 is: 104,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866.30 : 187,501.32 = 75,436.94 : x
  2. Step 2: Convert to fraction form
    135,866.30/187,501.32 = 75,436.94/x
  3. Step 3: Cross multiply
    135,866.30x = 187,501.32 × 75,436.94
  4. Step 4: Simplify right side
    135,866.30x = 14,144,524,889.25
  5. Step 5: Solve for x
    x = 14,144,524,889.25/135,866.30
  6. Step 6: Final answer
    x = 104,106.21

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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.