Home / 140,776.66-210,674.10-115,180.35

Finding the Fourth Proportional to 140,776.66, 210,674.10 and 115,180.35

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Solution

The fourth proportional to 140,776.66, 210,674.10 and 115,180.35 is: 172,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,776.66 : 210,674.10 = 115,180.35 : x
  2. Step 2: Convert to fraction form
    140,776.66/210,674.10 = 115,180.35/x
  3. Step 3: Cross multiply
    140,776.66x = 210,674.10 × 115,180.35
  4. Step 4: Simplify right side
    140,776.66x = 24,265,516,573.94
  5. Step 5: Solve for x
    x = 24,265,516,573.94/140,776.66
  6. Step 6: Final answer
    x = 172,368.89

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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.