Home / 123,022.10-184,417.05-66,779.30

Finding the Fourth Proportional to 123,022.10, 184,417.05 and 66,779.30

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Solution

The fourth proportional to 123,022.10, 184,417.05 and 66,779.30 is: 100,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,022.10 : 184,417.05 = 66,779.30 : x
  2. Step 2: Convert to fraction form
    123,022.10/184,417.05 = 66,779.30/x
  3. Step 3: Cross multiply
    123,022.10x = 184,417.05 × 66,779.30
  4. Step 4: Simplify right side
    123,022.10x = 12,315,241,507.07
  5. Step 5: Solve for x
    x = 12,315,241,507.07/123,022.10
  6. Step 6: Final answer
    x = 100,105.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.