Home / 176,139.20-263,431.20-148,145.60

Finding the Fourth Proportional to 176,139.20, 263,431.20 and 148,145.60

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Solution

The fourth proportional to 176,139.20, 263,431.20 and 148,145.60 is: 221,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,139.20 : 263,431.20 = 148,145.60 : x
  2. Step 2: Convert to fraction form
    176,139.20/263,431.20 = 148,145.60/x
  3. Step 3: Cross multiply
    176,139.20x = 263,431.20 × 148,145.60
  4. Step 4: Simplify right side
    176,139.20x = 39,026,173,182.72
  5. Step 5: Solve for x
    x = 39,026,173,182.72/176,139.20
  6. Step 6: Final answer
    x = 221,564.38

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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.