Home / 123,805.05-170,855.06-70,088.96

Finding the Fourth Proportional to 123,805.05, 170,855.06 and 70,088.96

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Solution

The fourth proportional to 123,805.05, 170,855.06 and 70,088.96 is: 96,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,805.05 : 170,855.06 = 70,088.96 : x
  2. Step 2: Convert to fraction form
    123,805.05/170,855.06 = 70,088.96/x
  3. Step 3: Cross multiply
    123,805.05x = 170,855.06 × 70,088.96
  4. Step 4: Simplify right side
    123,805.05x = 11,975,052,261.42
  5. Step 5: Solve for x
    x = 11,975,052,261.42/123,805.05
  6. Step 6: Final answer
    x = 96,725.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.