Home / 194,900.40-292,350.60-147,661.20

Finding the Fourth Proportional to 194,900.40, 292,350.60 and 147,661.20

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Solution

The fourth proportional to 194,900.40, 292,350.60 and 147,661.20 is: 221,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,900.40 : 292,350.60 = 147,661.20 : x
  2. Step 2: Convert to fraction form
    194,900.40/292,350.60 = 147,661.20/x
  3. Step 3: Cross multiply
    194,900.40x = 292,350.60 × 147,661.20
  4. Step 4: Simplify right side
    194,900.40x = 43,168,840,416.72
  5. Step 5: Solve for x
    x = 43,168,840,416.72/194,900.40
  6. Step 6: Final answer
    x = 221,491.80

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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.