Home / 178,725.02-268,085.70-45,603.86

Finding the Fourth Proportional to 178,725.02, 268,085.70 and 45,603.86

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Solution

The fourth proportional to 178,725.02, 268,085.70 and 45,603.86 is: 68,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,725.02 : 268,085.70 = 45,603.86 : x
  2. Step 2: Convert to fraction form
    178,725.02/268,085.70 = 45,603.86/x
  3. Step 3: Cross multiply
    178,725.02x = 268,085.70 × 45,603.86
  4. Step 4: Simplify right side
    178,725.02x = 12,225,741,390.37
  5. Step 5: Solve for x
    x = 12,225,741,390.37/178,725.02
  6. Step 6: Final answer
    x = 68,405.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.