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Finding the Fourth Proportional to 161,335.90, 242,004.76 and 43,006.90

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Solution

The fourth proportional to 161,335.90, 242,004.76 and 43,006.90 is: 64,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,335.90 : 242,004.76 = 43,006.90 : x
  2. Step 2: Convert to fraction form
    161,335.90/242,004.76 = 43,006.90/x
  3. Step 3: Cross multiply
    161,335.90x = 242,004.76 × 43,006.90
  4. Step 4: Simplify right side
    161,335.90x = 10,407,874,495.99
  5. Step 5: Solve for x
    x = 10,407,874,495.99/161,335.90
  6. Step 6: Final answer
    x = 64,510.59

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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.