Home / 130,149.60-179,610.62-84,856.84

Finding the Fourth Proportional to 130,149.60, 179,610.62 and 84,856.84

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Solution

The fourth proportional to 130,149.60, 179,610.62 and 84,856.84 is: 117,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,149.60 : 179,610.62 = 84,856.84 : x
  2. Step 2: Convert to fraction form
    130,149.60/179,610.62 = 84,856.84/x
  3. Step 3: Cross multiply
    130,149.60x = 179,610.62 × 84,856.84
  4. Step 4: Simplify right side
    130,149.60x = 15,241,189,643.64
  5. Step 5: Solve for x
    x = 15,241,189,643.64/130,149.60
  6. Step 6: Final answer
    x = 117,105.16

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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.