Home / 123,805.11-170,849.37-70,088.73

Finding the Fourth Proportional to 123,805.11, 170,849.37 and 70,088.73

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Solution

The fourth proportional to 123,805.11, 170,849.37 and 70,088.73 is: 96,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,805.11 : 170,849.37 = 70,088.73 : x
  2. Step 2: Convert to fraction form
    123,805.11/170,849.37 = 70,088.73/x
  3. Step 3: Cross multiply
    123,805.11x = 170,849.37 × 70,088.73
  4. Step 4: Simplify right side
    123,805.11x = 11,974,615,364.60
  5. Step 5: Solve for x
    x = 11,974,615,364.60/123,805.11
  6. Step 6: Final answer
    x = 96,721.50

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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.