Home / 133,015.23-183,560.18-72,584.64

Finding the Fourth Proportional to 133,015.23, 183,560.18 and 72,584.64

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Solution

The fourth proportional to 133,015.23, 183,560.18 and 72,584.64 is: 100,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,015.23 : 183,560.18 = 72,584.64 : x
  2. Step 2: Convert to fraction form
    133,015.23/183,560.18 = 72,584.64/x
  3. Step 3: Cross multiply
    133,015.23x = 183,560.18 × 72,584.64
  4. Step 4: Simplify right side
    133,015.23x = 13,323,649,220.71
  5. Step 5: Solve for x
    x = 13,323,649,220.71/133,015.23
  6. Step 6: Final answer
    x = 100,166.34

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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.