Home / 215,382.79-297,238.04-119,895.54

Finding the Fourth Proportional to 215,382.79, 297,238.04 and 119,895.54

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Solution

The fourth proportional to 215,382.79, 297,238.04 and 119,895.54 is: 165,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,382.79 : 297,238.04 = 119,895.54 : x
  2. Step 2: Convert to fraction form
    215,382.79/297,238.04 = 119,895.54/x
  3. Step 3: Cross multiply
    215,382.79x = 297,238.04 × 119,895.54
  4. Step 4: Simplify right side
    215,382.79x = 35,637,515,314.34
  5. Step 5: Solve for x
    x = 35,637,515,314.34/215,382.79
  6. Step 6: Final answer
    x = 165,461.29

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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.