Home / 130,280.64-179,724.96-75,832.80

Finding the Fourth Proportional to 130,280.64, 179,724.96 and 75,832.80

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Solution

The fourth proportional to 130,280.64, 179,724.96 and 75,832.80 is: 104,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,280.64 : 179,724.96 = 75,832.80 : x
  2. Step 2: Convert to fraction form
    130,280.64/179,724.96 = 75,832.80/x
  3. Step 3: Cross multiply
    130,280.64x = 179,724.96 × 75,832.80
  4. Step 4: Simplify right side
    130,280.64x = 13,629,046,946.69
  5. Step 5: Solve for x
    x = 13,629,046,946.69/130,280.64
  6. Step 6: Final answer
    x = 104,612.99

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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.