Home / 130,522.42-180,133.62-73,171.48

Finding the Fourth Proportional to 130,522.42, 180,133.62 and 73,171.48

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Solution

The fourth proportional to 130,522.42, 180,133.62 and 73,171.48 is: 100,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,522.42 : 180,133.62 = 73,171.48 : x
  2. Step 2: Convert to fraction form
    130,522.42/180,133.62 = 73,171.48/x
  3. Step 3: Cross multiply
    130,522.42x = 180,133.62 × 73,171.48
  4. Step 4: Simplify right side
    130,522.42x = 13,180,643,573.16
  5. Step 5: Solve for x
    x = 13,180,643,573.16/130,522.42
  6. Step 6: Final answer
    x = 100,983.75

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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.