Home / 145,367.74-218,051.16-40,186.54

Finding the Fourth Proportional to 145,367.74, 218,051.16 and 40,186.54

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Solution

The fourth proportional to 145,367.74, 218,051.16 and 40,186.54 is: 60,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,367.74 : 218,051.16 = 40,186.54 : x
  2. Step 2: Convert to fraction form
    145,367.74/218,051.16 = 40,186.54/x
  3. Step 3: Cross multiply
    145,367.74x = 218,051.16 × 40,186.54
  4. Step 4: Simplify right side
    145,367.74x = 8,762,721,663.39
  5. Step 5: Solve for x
    x = 8,762,721,663.39/145,367.74
  6. Step 6: Final answer
    x = 60,279.69

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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.