Home / 133,263.01-183,903.27-72,834.38

Finding the Fourth Proportional to 133,263.01, 183,903.27 and 72,834.38

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Solution

The fourth proportional to 133,263.01, 183,903.27 and 72,834.38 is: 100,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.01 : 183,903.27 = 72,834.38 : x
  2. Step 2: Convert to fraction form
    133,263.01/183,903.27 = 72,834.38/x
  3. Step 3: Cross multiply
    133,263.01x = 183,903.27 × 72,834.38
  4. Step 4: Simplify right side
    133,263.01x = 13,394,480,650.42
  5. Step 5: Solve for x
    x = 13,394,480,650.42/133,263.01
  6. Step 6: Final answer
    x = 100,511.62

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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.