Home / 161,889.36-242,834.04-51,090

Finding the Fourth Proportional to 161,889.36, 242,834.04 and 51,090

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Solution

The fourth proportional to 161,889.36, 242,834.04 and 51,090 is: 76,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,889.36 : 242,834.04 = 51,090 : x
  2. Step 2: Convert to fraction form
    161,889.36/242,834.04 = 51,090/x
  3. Step 3: Cross multiply
    161,889.36x = 242,834.04 × 51,090
  4. Step 4: Simplify right side
    161,889.36x = 12,406,391,103.60
  5. Step 5: Solve for x
    x = 12,406,391,103.60/161,889.36
  6. Step 6: Final answer
    x = 76,635.00

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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.