Home / 130,630.77-180,101.27-84,608.54

Finding the Fourth Proportional to 130,630.77, 180,101.27 and 84,608.54

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Solution

The fourth proportional to 130,630.77, 180,101.27 and 84,608.54 is: 116,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,630.77 : 180,101.27 = 84,608.54 : x
  2. Step 2: Convert to fraction form
    130,630.77/180,101.27 = 84,608.54/x
  3. Step 3: Cross multiply
    130,630.77x = 180,101.27 × 84,608.54
  4. Step 4: Simplify right side
    130,630.77x = 15,238,104,183.30
  5. Step 5: Solve for x
    x = 15,238,104,183.30/130,630.77
  6. Step 6: Final answer
    x = 116,650.19

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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.