Home / 210,940.35-291,104.46-115,446.93

Finding the Fourth Proportional to 210,940.35, 291,104.46 and 115,446.93

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Solution

The fourth proportional to 210,940.35, 291,104.46 and 115,446.93 is: 159,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,940.35 : 291,104.46 = 115,446.93 : x
  2. Step 2: Convert to fraction form
    210,940.35/291,104.46 = 115,446.93/x
  3. Step 3: Cross multiply
    210,940.35x = 291,104.46 × 115,446.93
  4. Step 4: Simplify right side
    210,940.35x = 33,607,116,216.31
  5. Step 5: Solve for x
    x = 33,607,116,216.31/210,940.35
  6. Step 6: Final answer
    x = 159,320.47

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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.