Home / 161,725.70-242,588.55-102,628.10

Finding the Fourth Proportional to 161,725.70, 242,588.55 and 102,628.10

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Solution

The fourth proportional to 161,725.70, 242,588.55 and 102,628.10 is: 153,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.70 : 242,588.55 = 102,628.10 : x
  2. Step 2: Convert to fraction form
    161,725.70/242,588.55 = 102,628.10/x
  3. Step 3: Cross multiply
    161,725.70x = 242,588.55 × 102,628.10
  4. Step 4: Simplify right side
    161,725.70x = 24,896,401,968.26
  5. Step 5: Solve for x
    x = 24,896,401,968.26/161,725.70
  6. Step 6: Final answer
    x = 153,942.15

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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.