Home / 86,184.69-118,937.30-47,945.46

Finding the Fourth Proportional to 86,184.69, 118,937.30 and 47,945.46

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Solution

The fourth proportional to 86,184.69, 118,937.30 and 47,945.46 is: 66,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,184.69 : 118,937.30 = 47,945.46 : x
  2. Step 2: Convert to fraction form
    86,184.69/118,937.30 = 47,945.46/x
  3. Step 3: Cross multiply
    86,184.69x = 118,937.30 × 47,945.46
  4. Step 4: Simplify right side
    86,184.69x = 5,702,503,319.93
  5. Step 5: Solve for x
    x = 5,702,503,319.93/86,184.69
  6. Step 6: Final answer
    x = 66,166.08

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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.