Home / 147,431.23-203,462.19-82,920.67

Finding the Fourth Proportional to 147,431.23, 203,462.19 and 82,920.67

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Solution

The fourth proportional to 147,431.23, 203,462.19 and 82,920.67 is: 114,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431.23 : 203,462.19 = 82,920.67 : x
  2. Step 2: Convert to fraction form
    147,431.23/203,462.19 = 82,920.67/x
  3. Step 3: Cross multiply
    147,431.23x = 203,462.19 × 82,920.67
  4. Step 4: Simplify right side
    147,431.23x = 16,871,221,114.47
  5. Step 5: Solve for x
    x = 16,871,221,114.47/147,431.23
  6. Step 6: Final answer
    x = 114,434.51

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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.