Home / 181,613.58-250,622.87-105,135.90

Finding the Fourth Proportional to 181,613.58, 250,622.87 and 105,135.90

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Solution

The fourth proportional to 181,613.58, 250,622.87 and 105,135.90 is: 145,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,613.58 : 250,622.87 = 105,135.90 : x
  2. Step 2: Convert to fraction form
    181,613.58/250,622.87 = 105,135.90/x
  3. Step 3: Cross multiply
    181,613.58x = 250,622.87 × 105,135.90
  4. Step 4: Simplify right side
    181,613.58x = 26,349,460,998.03
  5. Step 5: Solve for x
    x = 26,349,460,998.03/181,613.58
  6. Step 6: Final answer
    x = 145,085.30

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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.