Home / 123,016.92-169,779.60-69,312.54

Finding the Fourth Proportional to 123,016.92, 169,779.60 and 69,312.54

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Solution

The fourth proportional to 123,016.92, 169,779.60 and 69,312.54 is: 95,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,016.92 : 169,779.60 = 69,312.54 : x
  2. Step 2: Convert to fraction form
    123,016.92/169,779.60 = 69,312.54/x
  3. Step 3: Cross multiply
    123,016.92x = 169,779.60 × 69,312.54
  4. Step 4: Simplify right side
    123,016.92x = 11,767,855,316.18
  5. Step 5: Solve for x
    x = 11,767,855,316.18/123,016.92
  6. Step 6: Final answer
    x = 95,660.46

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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.