Home / 148,280.06-222,642.04-128,351.36

Finding the Fourth Proportional to 148,280.06, 222,642.04 and 128,351.36

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Solution

The fourth proportional to 148,280.06, 222,642.04 and 128,351.36 is: 192,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,280.06 : 222,642.04 = 128,351.36 : x
  2. Step 2: Convert to fraction form
    148,280.06/222,642.04 = 128,351.36/x
  3. Step 3: Cross multiply
    148,280.06x = 222,642.04 × 128,351.36
  4. Step 4: Simplify right side
    148,280.06x = 28,576,408,627.17
  5. Step 5: Solve for x
    x = 28,576,408,627.17/148,280.06
  6. Step 6: Final answer
    x = 192,719.16

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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.