Home / 133,037.32-183,589.86-72,608.92

Finding the Fourth Proportional to 133,037.32, 183,589.86 and 72,608.92

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Solution

The fourth proportional to 133,037.32, 183,589.86 and 72,608.92 is: 100,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037.32 : 183,589.86 = 72,608.92 : x
  2. Step 2: Convert to fraction form
    133,037.32/183,589.86 = 72,608.92/x
  3. Step 3: Cross multiply
    133,037.32x = 183,589.86 × 72,608.92
  4. Step 4: Simplify right side
    133,037.32x = 13,330,261,457.55
  5. Step 5: Solve for x
    x = 13,330,261,457.55/133,037.32
  6. Step 6: Final answer
    x = 100,199.41

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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.