Home / 155,420.08-233,130.16-43,128.56

Finding the Fourth Proportional to 155,420.08, 233,130.16 and 43,128.56

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Solution

The fourth proportional to 155,420.08, 233,130.16 and 43,128.56 is: 64,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,420.08 : 233,130.16 = 43,128.56 : x
  2. Step 2: Convert to fraction form
    155,420.08/233,130.16 = 43,128.56/x
  3. Step 3: Cross multiply
    155,420.08x = 233,130.16 × 43,128.56
  4. Step 4: Simplify right side
    155,420.08x = 10,054,568,093.37
  5. Step 5: Solve for x
    x = 10,054,568,093.37/155,420.08
  6. Step 6: Final answer
    x = 64,692.85

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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.