Home / 146,533.40-219,800.10-129,620.60

Finding the Fourth Proportional to 146,533.40, 219,800.10 and 129,620.60

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Solution

The fourth proportional to 146,533.40, 219,800.10 and 129,620.60 is: 194,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,533.40 : 219,800.10 = 129,620.60 : x
  2. Step 2: Convert to fraction form
    146,533.40/219,800.10 = 129,620.60/x
  3. Step 3: Cross multiply
    146,533.40x = 219,800.10 × 129,620.60
  4. Step 4: Simplify right side
    146,533.40x = 28,490,620,842.06
  5. Step 5: Solve for x
    x = 28,490,620,842.06/146,533.40
  6. Step 6: Final answer
    x = 194,430.90

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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.