Home / 116,646.30-160,971.57-66,345.30

Finding the Fourth Proportional to 116,646.30, 160,971.57 and 66,345.30

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Solution

The fourth proportional to 116,646.30, 160,971.57 and 66,345.30 is: 91,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,646.30 : 160,971.57 = 66,345.30 : x
  2. Step 2: Convert to fraction form
    116,646.30/160,971.57 = 66,345.30/x
  3. Step 3: Cross multiply
    116,646.30x = 160,971.57 × 66,345.30
  4. Step 4: Simplify right side
    116,646.30x = 10,679,707,103.12
  5. Step 5: Solve for x
    x = 10,679,707,103.12/116,646.30
  6. Step 6: Final answer
    x = 91,556.33

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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.