Home / 85,258.98-117,658.17-51,268.50

Finding the Fourth Proportional to 85,258.98, 117,658.17 and 51,268.50

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Solution

The fourth proportional to 85,258.98, 117,658.17 and 51,268.50 is: 70,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,258.98 : 117,658.17 = 51,268.50 : x
  2. Step 2: Convert to fraction form
    85,258.98/117,658.17 = 51,268.50/x
  3. Step 3: Cross multiply
    85,258.98x = 117,658.17 × 51,268.50
  4. Step 4: Simplify right side
    85,258.98x = 6,032,157,888.65
  5. Step 5: Solve for x
    x = 6,032,157,888.65/85,258.98
  6. Step 6: Final answer
    x = 70,751.00

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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.