Home / 133,422.76-184,274.58-90,907.48

Finding the Fourth Proportional to 133,422.76, 184,274.58 and 90,907.48

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Solution

The fourth proportional to 133,422.76, 184,274.58 and 90,907.48 is: 125,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,422.76 : 184,274.58 = 90,907.48 : x
  2. Step 2: Convert to fraction form
    133,422.76/184,274.58 = 90,907.48/x
  3. Step 3: Cross multiply
    133,422.76x = 184,274.58 × 90,907.48
  4. Step 4: Simplify right side
    133,422.76x = 16,751,937,695.86
  5. Step 5: Solve for x
    x = 16,751,937,695.86/133,422.76
  6. Step 6: Final answer
    x = 125,555.32

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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.