Home / 211,050.97-291,223.65-168,139.29

Finding the Fourth Proportional to 211,050.97, 291,223.65 and 168,139.29

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Solution

The fourth proportional to 211,050.97, 291,223.65 and 168,139.29 is: 232,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.97 : 291,223.65 = 168,139.29 : x
  2. Step 2: Convert to fraction form
    211,050.97/291,223.65 = 168,139.29/x
  3. Step 3: Cross multiply
    211,050.97x = 291,223.65 × 168,139.29
  4. Step 4: Simplify right side
    211,050.97x = 48,966,139,464.82
  5. Step 5: Solve for x
    x = 48,966,139,464.82/211,050.97
  6. Step 6: Final answer
    x = 232,010.97

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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.