Home / 154,280.16-212,835.60-106,600.32

Finding the Fourth Proportional to 154,280.16, 212,835.60 and 106,600.32

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Solution

The fourth proportional to 154,280.16, 212,835.60 and 106,600.32 is: 147,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,280.16 : 212,835.60 = 106,600.32 : x
  2. Step 2: Convert to fraction form
    154,280.16/212,835.60 = 106,600.32/x
  3. Step 3: Cross multiply
    154,280.16x = 212,835.60 × 106,600.32
  4. Step 4: Simplify right side
    154,280.16x = 22,688,343,067.39
  5. Step 5: Solve for x
    x = 22,688,343,067.39/154,280.16
  6. Step 6: Final answer
    x = 147,059.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.