Home / 145,841.50-218,763.16-40,661.38

Finding the Fourth Proportional to 145,841.50, 218,763.16 and 40,661.38

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Solution

The fourth proportional to 145,841.50, 218,763.16 and 40,661.38 is: 60,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,841.50 : 218,763.16 = 40,661.38 : x
  2. Step 2: Convert to fraction form
    145,841.50/218,763.16 = 40,661.38/x
  3. Step 3: Cross multiply
    145,841.50x = 218,763.16 × 40,661.38
  4. Step 4: Simplify right side
    145,841.50x = 8,895,211,978.76
  5. Step 5: Solve for x
    x = 8,895,211,978.76/145,841.50
  6. Step 6: Final answer
    x = 60,992.32

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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.