Home / 185,625.77-256,162.05-100,742.85

Finding the Fourth Proportional to 185,625.77, 256,162.05 and 100,742.85

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Solution

The fourth proportional to 185,625.77, 256,162.05 and 100,742.85 is: 139,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.77 : 256,162.05 = 100,742.85 : x
  2. Step 2: Convert to fraction form
    185,625.77/256,162.05 = 100,742.85/x
  3. Step 3: Cross multiply
    185,625.77x = 256,162.05 × 100,742.85
  4. Step 4: Simplify right side
    185,625.77x = 25,806,494,978.84
  5. Step 5: Solve for x
    x = 25,806,494,978.84/185,625.77
  6. Step 6: Final answer
    x = 139,024.32

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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.