Home / 133,214.22-183,833.45-72,783.57

Finding the Fourth Proportional to 133,214.22, 183,833.45 and 72,783.57

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Solution

The fourth proportional to 133,214.22, 183,833.45 and 72,783.57 is: 100,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,214.22 : 183,833.45 = 72,783.57 : x
  2. Step 2: Convert to fraction form
    133,214.22/183,833.45 = 72,783.57/x
  3. Step 3: Cross multiply
    133,214.22x = 183,833.45 × 72,783.57
  4. Step 4: Simplify right side
    133,214.22x = 13,380,054,776.42
  5. Step 5: Solve for x
    x = 13,380,054,776.42/133,214.22
  6. Step 6: Final answer
    x = 100,440.14

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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.