Home / 181,186.08-250,038.54-105,720

Finding the Fourth Proportional to 181,186.08, 250,038.54 and 105,720

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Solution

The fourth proportional to 181,186.08, 250,038.54 and 105,720 is: 145,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,186.08 : 250,038.54 = 105,720 : x
  2. Step 2: Convert to fraction form
    181,186.08/250,038.54 = 105,720/x
  3. Step 3: Cross multiply
    181,186.08x = 250,038.54 × 105,720
  4. Step 4: Simplify right side
    181,186.08x = 26,434,074,448.80
  5. Step 5: Solve for x
    x = 26,434,074,448.80/181,186.08
  6. Step 6: Final answer
    x = 145,894.62

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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.