Home / 190,632.76-286,049.37-90,774.34

Finding the Fourth Proportional to 190,632.76, 286,049.37 and 90,774.34

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Solution

The fourth proportional to 190,632.76, 286,049.37 and 90,774.34 is: 136,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,632.76 : 286,049.37 = 90,774.34 : x
  2. Step 2: Convert to fraction form
    190,632.76/286,049.37 = 90,774.34/x
  3. Step 3: Cross multiply
    190,632.76x = 286,049.37 × 90,774.34
  4. Step 4: Simplify right side
    190,632.76x = 25,965,942,394.45
  5. Step 5: Solve for x
    x = 25,965,942,394.45/190,632.76
  6. Step 6: Final answer
    x = 136,209.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.