Home / 161,814.55-242,721.60-43,485.89

Finding the Fourth Proportional to 161,814.55, 242,721.60 and 43,485.89

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Solution

The fourth proportional to 161,814.55, 242,721.60 and 43,485.89 is: 65,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,814.55 : 242,721.60 = 43,485.89 : x
  2. Step 2: Convert to fraction form
    161,814.55/242,721.60 = 43,485.89/x
  3. Step 3: Cross multiply
    161,814.55x = 242,721.60 × 43,485.89
  4. Step 4: Simplify right side
    161,814.55x = 10,554,964,798.22
  5. Step 5: Solve for x
    x = 10,554,964,798.22/161,814.55
  6. Step 6: Final answer
    x = 65,228.77

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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.