Home / 121,850.93-182,716.45-42,953.69

Finding the Fourth Proportional to 121,850.93, 182,716.45 and 42,953.69

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Solution

The fourth proportional to 121,850.93, 182,716.45 and 42,953.69 is: 64,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,850.93 : 182,716.45 = 42,953.69 : x
  2. Step 2: Convert to fraction form
    121,850.93/182,716.45 = 42,953.69/x
  3. Step 3: Cross multiply
    121,850.93x = 182,716.45 × 42,953.69
  4. Step 4: Simplify right side
    121,850.93x = 7,848,345,751.20
  5. Step 5: Solve for x
    x = 7,848,345,751.20/121,850.93
  6. Step 6: Final answer
    x = 64,409.40

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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.