Home / 120,518.33-166,316.96-66,075.62

Finding the Fourth Proportional to 120,518.33, 166,316.96 and 66,075.62

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Solution

The fourth proportional to 120,518.33, 166,316.96 and 66,075.62 is: 91,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,518.33 : 166,316.96 = 66,075.62 : x
  2. Step 2: Convert to fraction form
    120,518.33/166,316.96 = 66,075.62/x
  3. Step 3: Cross multiply
    120,518.33x = 166,316.96 × 66,075.62
  4. Step 4: Simplify right side
    120,518.33x = 10,989,495,582.12
  5. Step 5: Solve for x
    x = 10,989,495,582.12/120,518.33
  6. Step 6: Final answer
    x = 91,185.27

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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.