Home / 270,189.36-405,065.40-112,536.24

Finding the Fourth Proportional to 270,189.36, 405,065.40 and 112,536.24

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Solution

The fourth proportional to 270,189.36, 405,065.40 and 112,536.24 is: 168,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,189.36 : 405,065.40 = 112,536.24 : x
  2. Step 2: Convert to fraction form
    270,189.36/405,065.40 = 112,536.24/x
  3. Step 3: Cross multiply
    270,189.36x = 405,065.40 × 112,536.24
  4. Step 4: Simplify right side
    270,189.36x = 45,584,537,070.10
  5. Step 5: Solve for x
    x = 45,584,537,070.10/270,189.36
  6. Step 6: Final answer
    x = 168,713.29

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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.