Home / 210,941.76-291,097.90-115,448.23

Finding the Fourth Proportional to 210,941.76, 291,097.90 and 115,448.23

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Solution

The fourth proportional to 210,941.76, 291,097.90 and 115,448.23 is: 159,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,941.76 : 291,097.90 = 115,448.23 : x
  2. Step 2: Convert to fraction form
    210,941.76/291,097.90 = 115,448.23/x
  3. Step 3: Cross multiply
    210,941.76x = 291,097.90 × 115,448.23
  4. Step 4: Simplify right side
    210,941.76x = 33,606,737,311.72
  5. Step 5: Solve for x
    x = 33,606,737,311.72/210,941.76
  6. Step 6: Final answer
    x = 159,317.61

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1.5x scale

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.