Home / 123,271.28-170,114.40-69,567.68

Finding the Fourth Proportional to 123,271.28, 170,114.40 and 69,567.68

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Solution

The fourth proportional to 123,271.28, 170,114.40 and 69,567.68 is: 96,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,271.28 : 170,114.40 = 69,567.68 : x
  2. Step 2: Convert to fraction form
    123,271.28/170,114.40 = 69,567.68/x
  3. Step 3: Cross multiply
    123,271.28x = 170,114.40 × 69,567.68
  4. Step 4: Simplify right side
    123,271.28x = 11,834,464,142.59
  5. Step 5: Solve for x
    x = 11,834,464,142.59/123,271.28
  6. Step 6: Final answer
    x = 96,003.42

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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.