Home / 107,071.88-160,616.93-28,186.33

Finding the Fourth Proportional to 107,071.88, 160,616.93 and 28,186.33

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Solution

The fourth proportional to 107,071.88, 160,616.93 and 28,186.33 is: 42,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,071.88 : 160,616.93 = 28,186.33 : x
  2. Step 2: Convert to fraction form
    107,071.88/160,616.93 = 28,186.33/x
  3. Step 3: Cross multiply
    107,071.88x = 160,616.93 × 28,186.33
  4. Step 4: Simplify right side
    107,071.88x = 4,527,201,551.25
  5. Step 5: Solve for x
    x = 4,527,201,551.25/107,071.88
  6. Step 6: Final answer
    x = 42,281.89

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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.