Home / 133,165.20-183,766.76-72,735.83

Finding the Fourth Proportional to 133,165.20, 183,766.76 and 72,735.83

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Solution

The fourth proportional to 133,165.20, 183,766.76 and 72,735.83 is: 100,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,165.20 : 183,766.76 = 72,735.83 : x
  2. Step 2: Convert to fraction form
    133,165.20/183,766.76 = 72,735.83/x
  3. Step 3: Cross multiply
    133,165.20x = 183,766.76 × 72,735.83
  4. Step 4: Simplify right side
    133,165.20x = 13,366,426,805.26
  5. Step 5: Solve for x
    x = 13,366,426,805.26/133,165.20
  6. Step 6: Final answer
    x = 100,374.77

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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.