Home / 123,426.60-170,325.26-73,125.60

Finding the Fourth Proportional to 123,426.60, 170,325.26 and 73,125.60

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Solution

The fourth proportional to 123,426.60, 170,325.26 and 73,125.60 is: 100,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.60 : 170,325.26 = 73,125.60 : x
  2. Step 2: Convert to fraction form
    123,426.60/170,325.26 = 73,125.60/x
  3. Step 3: Cross multiply
    123,426.60x = 170,325.26 × 73,125.60
  4. Step 4: Simplify right side
    123,426.60x = 12,455,136,832.66
  5. Step 5: Solve for x
    x = 12,455,136,832.66/123,426.60
  6. Step 6: Final answer
    x = 100,911.29

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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.