Home / 160,428.10-240,878.69-89,489.33

Finding the Fourth Proportional to 160,428.10, 240,878.69 and 89,489.33

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Solution

The fourth proportional to 160,428.10, 240,878.69 and 89,489.33 is: 134,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,428.10 : 240,878.69 = 89,489.33 : x
  2. Step 2: Convert to fraction form
    160,428.10/240,878.69 = 89,489.33/x
  3. Step 3: Cross multiply
    160,428.10x = 240,878.69 × 89,489.33
  4. Step 4: Simplify right side
    160,428.10x = 21,556,072,579.38
  5. Step 5: Solve for x
    x = 21,556,072,579.38/160,428.10
  6. Step 6: Final answer
    x = 134,365.94

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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.