Home / 236,150.40-354,225.60-129,862.20

Finding the Fourth Proportional to 236,150.40, 354,225.60 and 129,862.20

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Solution

The fourth proportional to 236,150.40, 354,225.60 and 129,862.20 is: 194,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,150.40 : 354,225.60 = 129,862.20 : x
  2. Step 2: Convert to fraction form
    236,150.40/354,225.60 = 129,862.20/x
  3. Step 3: Cross multiply
    236,150.40x = 354,225.60 × 129,862.20
  4. Step 4: Simplify right side
    236,150.40x = 46,000,515,712.32
  5. Step 5: Solve for x
    x = 46,000,515,712.32/236,150.40
  6. Step 6: Final answer
    x = 194,793.30

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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.