Home / 103,097.96-142,272.85-60,074.78

Finding the Fourth Proportional to 103,097.96, 142,272.85 and 60,074.78

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Solution

The fourth proportional to 103,097.96, 142,272.85 and 60,074.78 is: 82,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,097.96 : 142,272.85 = 60,074.78 : x
  2. Step 2: Convert to fraction form
    103,097.96/142,272.85 = 60,074.78/x
  3. Step 3: Cross multiply
    103,097.96x = 142,272.85 × 60,074.78
  4. Step 4: Simplify right side
    103,097.96x = 8,547,010,163.72
  5. Step 5: Solve for x
    x = 8,547,010,163.72/103,097.96
  6. Step 6: Final answer
    x = 82,901.84

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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.