Home / 136,025.76-187,715.93-75,596.21

Finding the Fourth Proportional to 136,025.76, 187,715.93 and 75,596.21

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Solution

The fourth proportional to 136,025.76, 187,715.93 and 75,596.21 is: 104,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,025.76 : 187,715.93 = 75,596.21 : x
  2. Step 2: Convert to fraction form
    136,025.76/187,715.93 = 75,596.21/x
  3. Step 3: Cross multiply
    136,025.76x = 187,715.93 × 75,596.21
  4. Step 4: Simplify right side
    136,025.76x = 14,190,611,548.06
  5. Step 5: Solve for x
    x = 14,190,611,548.06/136,025.76
  6. Step 6: Final answer
    x = 104,322.97

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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.