Home / 211,223.16-291,476.80-120,575.52

Finding the Fourth Proportional to 211,223.16, 291,476.80 and 120,575.52

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Solution

The fourth proportional to 211,223.16, 291,476.80 and 120,575.52 is: 166,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,223.16 : 291,476.80 = 120,575.52 : x
  2. Step 2: Convert to fraction form
    211,223.16/291,476.80 = 120,575.52/x
  3. Step 3: Cross multiply
    211,223.16x = 291,476.80 × 120,575.52
  4. Step 4: Simplify right side
    211,223.16x = 35,144,966,727.94
  5. Step 5: Solve for x
    x = 35,144,966,727.94/211,223.16
  6. Step 6: Final answer
    x = 166,387.85

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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.