Home / 459,040.55-688,506.04-122,105.86

Finding the Fourth Proportional to 459,040.55, 688,506.04 and 122,105.86

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Solution

The fourth proportional to 459,040.55, 688,506.04 and 122,105.86 is: 183,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,040.55 : 688,506.04 = 122,105.86 : x
  2. Step 2: Convert to fraction form
    459,040.55/688,506.04 = 122,105.86/x
  3. Step 3: Cross multiply
    459,040.55x = 688,506.04 × 122,105.86
  4. Step 4: Simplify right side
    459,040.55x = 84,070,622,129.39
  5. Step 5: Solve for x
    x = 84,070,622,129.39/459,040.55
  6. Step 6: Final answer
    x = 183,144.22

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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.