Home / 140,776.29-210,673.55-115,179.98

Finding the Fourth Proportional to 140,776.29, 210,673.55 and 115,179.98

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Solution

The fourth proportional to 140,776.29, 210,673.55 and 115,179.98 is: 172,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,776.29 : 210,673.55 = 115,179.98 : x
  2. Step 2: Convert to fraction form
    140,776.29/210,673.55 = 115,179.98/x
  3. Step 3: Cross multiply
    140,776.29x = 210,673.55 × 115,179.98
  4. Step 4: Simplify right side
    140,776.29x = 24,265,374,699.63
  5. Step 5: Solve for x
    x = 24,265,374,699.63/140,776.29
  6. Step 6: Final answer
    x = 172,368.34

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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.