Home / 212,011.92-292,268.16-148,151.52

Finding the Fourth Proportional to 212,011.92, 292,268.16 and 148,151.52

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Solution

The fourth proportional to 212,011.92, 292,268.16 and 148,151.52 is: 204,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,011.92 : 292,268.16 = 148,151.52 : x
  2. Step 2: Convert to fraction form
    212,011.92/292,268.16 = 148,151.52/x
  3. Step 3: Cross multiply
    212,011.92x = 292,268.16 × 148,151.52
  4. Step 4: Simplify right side
    212,011.92x = 43,299,972,151.60
  5. Step 5: Solve for x
    x = 43,299,972,151.60/212,011.92
  6. Step 6: Final answer
    x = 204,233.67

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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.