Home / 211,038.94-291,222.20-115,527.16

Finding the Fourth Proportional to 211,038.94, 291,222.20 and 115,527.16

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Solution

The fourth proportional to 211,038.94, 291,222.20 and 115,527.16 is: 159,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,038.94 : 291,222.20 = 115,527.16 : x
  2. Step 2: Convert to fraction form
    211,038.94/291,222.20 = 115,527.16/x
  3. Step 3: Cross multiply
    211,038.94x = 291,222.20 × 115,527.16
  4. Step 4: Simplify right side
    211,038.94x = 33,644,073,694.95
  5. Step 5: Solve for x
    x = 33,644,073,694.95/211,038.94
  6. Step 6: Final answer
    x = 159,421.17

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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.