Home / 135,866.28-187,501.34-75,436.94

Finding the Fourth Proportional to 135,866.28, 187,501.34 and 75,436.94

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Solution

The fourth proportional to 135,866.28, 187,501.34 and 75,436.94 is: 104,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866.28 : 187,501.34 = 75,436.94 : x
  2. Step 2: Convert to fraction form
    135,866.28/187,501.34 = 75,436.94/x
  3. Step 3: Cross multiply
    135,866.28x = 187,501.34 × 75,436.94
  4. Step 4: Simplify right side
    135,866.28x = 14,144,526,020.81
  5. Step 5: Solve for x
    x = 14,144,526,020.81/135,866.28
  6. Step 6: Final answer
    x = 104,106.23

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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.