Home / 85,181.03-117,549.98-51,190.03

Finding the Fourth Proportional to 85,181.03, 117,549.98 and 51,190.03

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Solution

The fourth proportional to 85,181.03, 117,549.98 and 51,190.03 is: 70,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.03 : 117,549.98 = 51,190.03 : x
  2. Step 2: Convert to fraction form
    85,181.03/117,549.98 = 51,190.03/x
  3. Step 3: Cross multiply
    85,181.03x = 117,549.98 × 51,190.03
  4. Step 4: Simplify right side
    85,181.03x = 6,017,386,746.75
  5. Step 5: Solve for x
    x = 6,017,386,746.75/85,181.03
  6. Step 6: Final answer
    x = 70,642.34

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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.