Home / 104,523.28-144,242.40-56,776.24

Finding the Fourth Proportional to 104,523.28, 144,242.40 and 56,776.24

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Solution

The fourth proportional to 104,523.28, 144,242.40 and 56,776.24 is: 78,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,523.28 : 144,242.40 = 56,776.24 : x
  2. Step 2: Convert to fraction form
    104,523.28/144,242.40 = 56,776.24/x
  3. Step 3: Cross multiply
    104,523.28x = 144,242.40 × 56,776.24
  4. Step 4: Simplify right side
    104,523.28x = 8,189,541,120.58
  5. Step 5: Solve for x
    x = 8,189,541,120.58/104,523.28
  6. Step 6: Final answer
    x = 78,351.36

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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.