Home / 121,884.36-182,740.68-46,941.72

Finding the Fourth Proportional to 121,884.36, 182,740.68 and 46,941.72

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Solution

The fourth proportional to 121,884.36, 182,740.68 and 46,941.72 is: 70,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,884.36 : 182,740.68 = 46,941.72 : x
  2. Step 2: Convert to fraction form
    121,884.36/182,740.68 = 46,941.72/x
  3. Step 3: Cross multiply
    121,884.36x = 182,740.68 × 46,941.72
  4. Step 4: Simplify right side
    121,884.36x = 8,578,161,833.17
  5. Step 5: Solve for x
    x = 8,578,161,833.17/121,884.36
  6. Step 6: Final answer
    x = 70,379.51

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1.5x scale

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.