Home / 123,501.27-170,337.70-106,302.90

Finding the Fourth Proportional to 123,501.27, 170,337.70 and 106,302.90

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Solution

The fourth proportional to 123,501.27, 170,337.70 and 106,302.90 is: 146,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,501.27 : 170,337.70 = 106,302.90 : x
  2. Step 2: Convert to fraction form
    123,501.27/170,337.70 = 106,302.90/x
  3. Step 3: Cross multiply
    123,501.27x = 170,337.70 × 106,302.90
  4. Step 4: Simplify right side
    123,501.27x = 18,107,391,489.33
  5. Step 5: Solve for x
    x = 18,107,391,489.33/123,501.27
  6. Step 6: Final answer
    x = 146,617.05

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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.