Home / 213,318.19-320,070.59-101,078.62

Finding the Fourth Proportional to 213,318.19, 320,070.59 and 101,078.62

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Solution

The fourth proportional to 213,318.19, 320,070.59 and 101,078.62 is: 151,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,318.19 : 320,070.59 = 101,078.62 : x
  2. Step 2: Convert to fraction form
    213,318.19/320,070.59 = 101,078.62/x
  3. Step 3: Cross multiply
    213,318.19x = 320,070.59 × 101,078.62
  4. Step 4: Simplify right side
    213,318.19x = 32,352,292,613.26
  5. Step 5: Solve for x
    x = 32,352,292,613.26/213,318.19
  6. Step 6: Final answer
    x = 151,662.14

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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.