Home / 211,482.09-291,852.72-115,989.17

Finding the Fourth Proportional to 211,482.09, 291,852.72 and 115,989.17

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Solution

The fourth proportional to 211,482.09, 291,852.72 and 115,989.17 is: 160,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,482.09 : 291,852.72 = 115,989.17 : x
  2. Step 2: Convert to fraction form
    211,482.09/291,852.72 = 115,989.17/x
  3. Step 3: Cross multiply
    211,482.09x = 291,852.72 × 115,989.17
  4. Step 4: Simplify right side
    211,482.09x = 33,851,753,295.78
  5. Step 5: Solve for x
    x = 33,851,753,295.78/211,482.09
  6. Step 6: Final answer
    x = 160,069.13

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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.