Home / 183,460.55-275,190.83-78,290.15

Finding the Fourth Proportional to 183,460.55, 275,190.83 and 78,290.15

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Solution

The fourth proportional to 183,460.55, 275,190.83 and 78,290.15 is: 117,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,460.55 : 275,190.83 = 78,290.15 : x
  2. Step 2: Convert to fraction form
    183,460.55/275,190.83 = 78,290.15/x
  3. Step 3: Cross multiply
    183,460.55x = 275,190.83 × 78,290.15
  4. Step 4: Simplify right side
    183,460.55x = 21,544,730,967.87
  5. Step 5: Solve for x
    x = 21,544,730,967.87/183,460.55
  6. Step 6: Final answer
    x = 117,435.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.