Home / 149,020.70-223,271.85-122,582.30

Finding the Fourth Proportional to 149,020.70, 223,271.85 and 122,582.30

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Solution

The fourth proportional to 149,020.70, 223,271.85 and 122,582.30 is: 183,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.70 : 223,271.85 = 122,582.30 : x
  2. Step 2: Convert to fraction form
    149,020.70/223,271.85 = 122,582.30/x
  3. Step 3: Cross multiply
    149,020.70x = 223,271.85 × 122,582.30
  4. Step 4: Simplify right side
    149,020.70x = 27,369,176,898.26
  5. Step 5: Solve for x
    x = 27,369,176,898.26/149,020.70
  6. Step 6: Final answer
    x = 183,660.24

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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.