Home / 211,038.84-291,261.42-120,374.04

Finding the Fourth Proportional to 211,038.84, 291,261.42 and 120,374.04

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Solution

The fourth proportional to 211,038.84, 291,261.42 and 120,374.04 is: 166,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,038.84 : 291,261.42 = 120,374.04 : x
  2. Step 2: Convert to fraction form
    211,038.84/291,261.42 = 120,374.04/x
  3. Step 3: Cross multiply
    211,038.84x = 291,261.42 × 120,374.04
  4. Step 4: Simplify right side
    211,038.84x = 35,060,313,821.54
  5. Step 5: Solve for x
    x = 35,060,313,821.54/211,038.84
  6. Step 6: Final answer
    x = 166,132.04

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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.