Home / 130,847.40-196,271.10-122,974.20

Finding the Fourth Proportional to 130,847.40, 196,271.10 and 122,974.20

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Solution

The fourth proportional to 130,847.40, 196,271.10 and 122,974.20 is: 184,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,847.40 : 196,271.10 = 122,974.20 : x
  2. Step 2: Convert to fraction form
    130,847.40/196,271.10 = 122,974.20/x
  3. Step 3: Cross multiply
    130,847.40x = 196,271.10 × 122,974.20
  4. Step 4: Simplify right side
    130,847.40x = 24,136,281,505.62
  5. Step 5: Solve for x
    x = 24,136,281,505.62/130,847.40
  6. Step 6: Final answer
    x = 184,461.30

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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.