Home / 133,396.15-184,079.82-72,955.03

Finding the Fourth Proportional to 133,396.15, 184,079.82 and 72,955.03

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Solution

The fourth proportional to 133,396.15, 184,079.82 and 72,955.03 is: 100,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,396.15 : 184,079.82 = 72,955.03 : x
  2. Step 2: Convert to fraction form
    133,396.15/184,079.82 = 72,955.03/x
  3. Step 3: Cross multiply
    133,396.15x = 184,079.82 × 72,955.03
  4. Step 4: Simplify right side
    133,396.15x = 13,429,548,790.49
  5. Step 5: Solve for x
    x = 13,429,548,790.49/133,396.15
  6. Step 6: Final answer
    x = 100,674.19

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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.