Home / 209,329.44-314,008.56-69,186.48

Finding the Fourth Proportional to 209,329.44, 314,008.56 and 69,186.48

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Solution

The fourth proportional to 209,329.44, 314,008.56 and 69,186.48 is: 103,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,329.44 : 314,008.56 = 69,186.48 : x
  2. Step 2: Convert to fraction form
    209,329.44/314,008.56 = 69,186.48/x
  3. Step 3: Cross multiply
    209,329.44x = 314,008.56 × 69,186.48
  4. Step 4: Simplify right side
    209,329.44x = 21,725,146,956.27
  5. Step 5: Solve for x
    x = 21,725,146,956.27/209,329.44
  6. Step 6: Final answer
    x = 103,784.48

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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.