Home / 210,949.79-291,109.67-114,153.58

Finding the Fourth Proportional to 210,949.79, 291,109.67 and 114,153.58

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Solution

The fourth proportional to 210,949.79, 291,109.67 and 114,153.58 is: 157,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,949.79 : 291,109.67 = 114,153.58 : x
  2. Step 2: Convert to fraction form
    210,949.79/291,109.67 = 114,153.58/x
  3. Step 3: Cross multiply
    210,949.79x = 291,109.67 × 114,153.58
  4. Step 4: Simplify right side
    210,949.79x = 33,231,211,003.12
  5. Step 5: Solve for x
    x = 33,231,211,003.12/210,949.79
  6. Step 6: Final answer
    x = 157,531.38

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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.