Home / 148,029.60-222,044.40-121,785.60

Finding the Fourth Proportional to 148,029.60, 222,044.40 and 121,785.60

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Solution

The fourth proportional to 148,029.60, 222,044.40 and 121,785.60 is: 182,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,029.60 : 222,044.40 = 121,785.60 : x
  2. Step 2: Convert to fraction form
    148,029.60/222,044.40 = 121,785.60/x
  3. Step 3: Cross multiply
    148,029.60x = 222,044.40 × 121,785.60
  4. Step 4: Simplify right side
    148,029.60x = 27,041,810,480.64
  5. Step 5: Solve for x
    x = 27,041,810,480.64/148,029.60
  6. Step 6: Final answer
    x = 182,678.40

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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.