Home / 181,623.57-250,636.61-105,145.90

Finding the Fourth Proportional to 181,623.57, 250,636.61 and 105,145.90

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Solution

The fourth proportional to 181,623.57, 250,636.61 and 105,145.90 is: 145,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,623.57 : 250,636.61 = 105,145.90 : x
  2. Step 2: Convert to fraction form
    181,623.57/250,636.61 = 105,145.90/x
  3. Step 3: Cross multiply
    181,623.57x = 250,636.61 × 105,145.90
  4. Step 4: Simplify right side
    181,623.57x = 26,353,411,567.67
  5. Step 5: Solve for x
    x = 26,353,411,567.67/181,623.57
  6. Step 6: Final answer
    x = 145,099.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.