Home / 211,026.84-291,205.98-115,515.24

Finding the Fourth Proportional to 211,026.84, 291,205.98 and 115,515.24

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Solution

The fourth proportional to 211,026.84, 291,205.98 and 115,515.24 is: 159,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,026.84 : 291,205.98 = 115,515.24 : x
  2. Step 2: Convert to fraction form
    211,026.84/291,205.98 = 115,515.24/x
  3. Step 3: Cross multiply
    211,026.84x = 291,205.98 × 115,515.24
  4. Step 4: Simplify right side
    211,026.84x = 33,638,728,669.14
  5. Step 5: Solve for x
    x = 33,638,728,669.14/211,026.84
  6. Step 6: Final answer
    x = 159,404.98

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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.