Home / 155,455.78-233,189.70-48,912.40

Finding the Fourth Proportional to 155,455.78, 233,189.70 and 48,912.40

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Solution

The fourth proportional to 155,455.78, 233,189.70 and 48,912.40 is: 73,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.78 : 233,189.70 = 48,912.40 : x
  2. Step 2: Convert to fraction form
    155,455.78/233,189.70 = 48,912.40/x
  3. Step 3: Cross multiply
    155,455.78x = 233,189.70 × 48,912.40
  4. Step 4: Simplify right side
    155,455.78x = 11,405,867,882.28
  5. Step 5: Solve for x
    x = 11,405,867,882.28/155,455.78
  6. Step 6: Final answer
    x = 73,370.50

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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.