Home / 215,329.91-297,088.40-122,180.34

Finding the Fourth Proportional to 215,329.91, 297,088.40 and 122,180.34

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Solution

The fourth proportional to 215,329.91, 297,088.40 and 122,180.34 is: 168,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.91 : 297,088.40 = 122,180.34 : x
  2. Step 2: Convert to fraction form
    215,329.91/297,088.40 = 122,180.34/x
  3. Step 3: Cross multiply
    215,329.91x = 297,088.40 × 122,180.34
  4. Step 4: Simplify right side
    215,329.91x = 36,298,362,846.79
  5. Step 5: Solve for x
    x = 36,298,362,846.79/215,329.91
  6. Step 6: Final answer
    x = 168,570.93

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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.