Home / 133,611.96-184,338.75-76,210.02

Finding the Fourth Proportional to 133,611.96, 184,338.75 and 76,210.02

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Solution

The fourth proportional to 133,611.96, 184,338.75 and 76,210.02 is: 105,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,611.96 : 184,338.75 = 76,210.02 : x
  2. Step 2: Convert to fraction form
    133,611.96/184,338.75 = 76,210.02/x
  3. Step 3: Cross multiply
    133,611.96x = 184,338.75 × 76,210.02
  4. Step 4: Simplify right side
    133,611.96x = 14,048,459,824.28
  5. Step 5: Solve for x
    x = 14,048,459,824.28/133,611.96
  6. Step 6: Final answer
    x = 105,143.73

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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.