Home / 130,280.40-195,420.60-122,407.20

Finding the Fourth Proportional to 130,280.40, 195,420.60 and 122,407.20

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Solution

The fourth proportional to 130,280.40, 195,420.60 and 122,407.20 is: 183,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,280.40 : 195,420.60 = 122,407.20 : x
  2. Step 2: Convert to fraction form
    130,280.40/195,420.60 = 122,407.20/x
  3. Step 3: Cross multiply
    130,280.40x = 195,420.60 × 122,407.20
  4. Step 4: Simplify right side
    130,280.40x = 23,920,888,468.32
  5. Step 5: Solve for x
    x = 23,920,888,468.32/130,280.40
  6. Step 6: Final answer
    x = 183,610.80

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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.