Home / 130,853.60-196,280.40-122,105.60

Finding the Fourth Proportional to 130,853.60, 196,280.40 and 122,105.60

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Solution

The fourth proportional to 130,853.60, 196,280.40 and 122,105.60 is: 183,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,853.60 : 196,280.40 = 122,105.60 : x
  2. Step 2: Convert to fraction form
    130,853.60/196,280.40 = 122,105.60/x
  3. Step 3: Cross multiply
    130,853.60x = 196,280.40 × 122,105.60
  4. Step 4: Simplify right side
    130,853.60x = 23,966,936,010.24
  5. Step 5: Solve for x
    x = 23,966,936,010.24/130,853.60
  6. Step 6: Final answer
    x = 183,158.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.