Home / 155,299.56-214,029.18-112,784.28

Finding the Fourth Proportional to 155,299.56, 214,029.18 and 112,784.28

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Solution

The fourth proportional to 155,299.56, 214,029.18 and 112,784.28 is: 155,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,299.56 : 214,029.18 = 112,784.28 : x
  2. Step 2: Convert to fraction form
    155,299.56/214,029.18 = 112,784.28/x
  3. Step 3: Cross multiply
    155,299.56x = 214,029.18 × 112,784.28
  4. Step 4: Simplify right side
    155,299.56x = 24,139,126,965.29
  5. Step 5: Solve for x
    x = 24,139,126,965.29/155,299.56
  6. Step 6: Final answer
    x = 155,435.90

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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.