Home / 211,252.90-291,527.30-115,759.34

Finding the Fourth Proportional to 211,252.90, 291,527.30 and 115,759.34

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Solution

The fourth proportional to 211,252.90, 291,527.30 and 115,759.34 is: 159,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,252.90 : 291,527.30 = 115,759.34 : x
  2. Step 2: Convert to fraction form
    211,252.90/291,527.30 = 115,759.34/x
  3. Step 3: Cross multiply
    211,252.90x = 291,527.30 × 115,759.34
  4. Step 4: Simplify right side
    211,252.90x = 33,747,007,839.98
  5. Step 5: Solve for x
    x = 33,747,007,839.98/211,252.90
  6. Step 6: Final answer
    x = 159,746.96

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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.