Home / 130,772.40-196,158.60-122,899.20

Finding the Fourth Proportional to 130,772.40, 196,158.60 and 122,899.20

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Solution

The fourth proportional to 130,772.40, 196,158.60 and 122,899.20 is: 184,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,772.40 : 196,158.60 = 122,899.20 : x
  2. Step 2: Convert to fraction form
    130,772.40/196,158.60 = 122,899.20/x
  3. Step 3: Cross multiply
    130,772.40x = 196,158.60 × 122,899.20
  4. Step 4: Simplify right side
    130,772.40x = 24,107,735,013.12
  5. Step 5: Solve for x
    x = 24,107,735,013.12/130,772.40
  6. Step 6: Final answer
    x = 184,348.80

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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.