Home / 161,918.40-242,877.60-51,110.40

Finding the Fourth Proportional to 161,918.40, 242,877.60 and 51,110.40

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Solution

The fourth proportional to 161,918.40, 242,877.60 and 51,110.40 is: 76,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,918.40 : 242,877.60 = 51,110.40 : x
  2. Step 2: Convert to fraction form
    161,918.40/242,877.60 = 51,110.40/x
  3. Step 3: Cross multiply
    161,918.40x = 242,877.60 × 51,110.40
  4. Step 4: Simplify right side
    161,918.40x = 12,413,571,287.04
  5. Step 5: Solve for x
    x = 12,413,571,287.04/161,918.40
  6. Step 6: Final answer
    x = 76,665.60

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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.