Home / 101,777.28-140,457.08-56,452.24

Finding the Fourth Proportional to 101,777.28, 140,457.08 and 56,452.24

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Solution

The fourth proportional to 101,777.28, 140,457.08 and 56,452.24 is: 77,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,777.28 : 140,457.08 = 56,452.24 : x
  2. Step 2: Convert to fraction form
    101,777.28/140,457.08 = 56,452.24/x
  3. Step 3: Cross multiply
    101,777.28x = 140,457.08 × 56,452.24
  4. Step 4: Simplify right side
    101,777.28x = 7,929,116,789.86
  5. Step 5: Solve for x
    x = 7,929,116,789.86/101,777.28
  6. Step 6: Final answer
    x = 77,906.55

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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.