Home / 123,835.47-170,894.66-70,119.33

Finding the Fourth Proportional to 123,835.47, 170,894.66 and 70,119.33

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Solution

The fourth proportional to 123,835.47, 170,894.66 and 70,119.33 is: 96,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,835.47 : 170,894.66 = 70,119.33 : x
  2. Step 2: Convert to fraction form
    123,835.47/170,894.66 = 70,119.33/x
  3. Step 3: Cross multiply
    123,835.47x = 170,894.66 × 70,119.33
  4. Step 4: Simplify right side
    123,835.47x = 11,983,018,709.18
  5. Step 5: Solve for x
    x = 11,983,018,709.18/123,835.47
  6. Step 6: Final answer
    x = 96,765.64

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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.