Home / 130,179.68-179,618.96-84,853.60

Finding the Fourth Proportional to 130,179.68, 179,618.96 and 84,853.60

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Solution

The fourth proportional to 130,179.68, 179,618.96 and 84,853.60 is: 117,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,179.68 : 179,618.96 = 84,853.60 : x
  2. Step 2: Convert to fraction form
    130,179.68/179,618.96 = 84,853.60/x
  3. Step 3: Cross multiply
    130,179.68x = 179,618.96 × 84,853.60
  4. Step 4: Simplify right side
    130,179.68x = 15,241,315,384.26
  5. Step 5: Solve for x
    x = 15,241,315,384.26/130,179.68
  6. Step 6: Final answer
    x = 117,079.07

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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.