Home / 133,197.96-183,810.06-72,768.92

Finding the Fourth Proportional to 133,197.96, 183,810.06 and 72,768.92

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Solution

The fourth proportional to 133,197.96, 183,810.06 and 72,768.92 is: 100,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,197.96 : 183,810.06 = 72,768.92 : x
  2. Step 2: Convert to fraction form
    133,197.96/183,810.06 = 72,768.92/x
  3. Step 3: Cross multiply
    133,197.96x = 183,810.06 × 72,768.92
  4. Step 4: Simplify right side
    133,197.96x = 13,375,659,551.34
  5. Step 5: Solve for x
    x = 13,375,659,551.34/133,197.96
  6. Step 6: Final answer
    x = 100,419.40

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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.