Home / 138,045.42-190,384.65-95,093.46

Finding the Fourth Proportional to 138,045.42, 190,384.65 and 95,093.46

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Solution

The fourth proportional to 138,045.42, 190,384.65 and 95,093.46 is: 131,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,045.42 : 190,384.65 = 95,093.46 : x
  2. Step 2: Convert to fraction form
    138,045.42/190,384.65 = 95,093.46/x
  3. Step 3: Cross multiply
    138,045.42x = 190,384.65 × 95,093.46
  4. Step 4: Simplify right side
    138,045.42x = 18,104,335,099.39
  5. Step 5: Solve for x
    x = 18,104,335,099.39/138,045.42
  6. Step 6: Final answer
    x = 131,147.67

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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.