Home / 159,529.56-219,946.32-130,743.24

Finding the Fourth Proportional to 159,529.56, 219,946.32 and 130,743.24

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Solution

The fourth proportional to 159,529.56, 219,946.32 and 130,743.24 is: 180,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,529.56 : 219,946.32 = 130,743.24 : x
  2. Step 2: Convert to fraction form
    159,529.56/219,946.32 = 130,743.24/x
  3. Step 3: Cross multiply
    159,529.56x = 219,946.32 × 130,743.24
  4. Step 4: Simplify right side
    159,529.56x = 28,756,494,502.88
  5. Step 5: Solve for x
    x = 28,756,494,502.88/159,529.56
  6. Step 6: Final answer
    x = 180,258.09

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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.