Home / 114,647.68-170,809.28-109,001.26

Finding the Fourth Proportional to 114,647.68, 170,809.28 and 109,001.26

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Solution

The fourth proportional to 114,647.68, 170,809.28 and 109,001.26 is: 162,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,647.68 : 170,809.28 = 109,001.26 : x
  2. Step 2: Convert to fraction form
    114,647.68/170,809.28 = 109,001.26/x
  3. Step 3: Cross multiply
    114,647.68x = 170,809.28 × 109,001.26
  4. Step 4: Simplify right side
    114,647.68x = 18,618,426,739.69
  5. Step 5: Solve for x
    x = 18,618,426,739.69/114,647.68
  6. Step 6: Final answer
    x = 162,396.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.