Home / 211,551.96-291,891.63-119,673.36

Finding the Fourth Proportional to 211,551.96, 291,891.63 and 119,673.36

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Solution

The fourth proportional to 211,551.96, 291,891.63 and 119,673.36 is: 165,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,551.96 : 291,891.63 = 119,673.36 : x
  2. Step 2: Convert to fraction form
    211,551.96/291,891.63 = 119,673.36/x
  3. Step 3: Cross multiply
    211,551.96x = 291,891.63 × 119,673.36
  4. Step 4: Simplify right side
    211,551.96x = 34,931,652,117.98
  5. Step 5: Solve for x
    x = 34,931,652,117.98/211,551.96
  6. Step 6: Final answer
    x = 165,120.91

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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.