Home / 123,906.48-170,999.40-70,191.94

Finding the Fourth Proportional to 123,906.48, 170,999.40 and 70,191.94

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Solution

The fourth proportional to 123,906.48, 170,999.40 and 70,191.94 is: 96,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,906.48 : 170,999.40 = 70,191.94 : x
  2. Step 2: Convert to fraction form
    123,906.48/170,999.40 = 70,191.94/x
  3. Step 3: Cross multiply
    123,906.48x = 170,999.40 × 70,191.94
  4. Step 4: Simplify right side
    123,906.48x = 12,002,779,624.84
  5. Step 5: Solve for x
    x = 12,002,779,624.84/123,906.48
  6. Step 6: Final answer
    x = 96,869.67

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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.