Home / 215,005.80-296,707.68-119,521.38

Finding the Fourth Proportional to 215,005.80, 296,707.68 and 119,521.38

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Solution

The fourth proportional to 215,005.80, 296,707.68 and 119,521.38 is: 164,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005.80 : 296,707.68 = 119,521.38 : x
  2. Step 2: Convert to fraction form
    215,005.80/296,707.68 = 119,521.38/x
  3. Step 3: Cross multiply
    215,005.80x = 296,707.68 × 119,521.38
  4. Step 4: Simplify right side
    215,005.80x = 35,462,911,370.20
  5. Step 5: Solve for x
    x = 35,462,911,370.20/215,005.80
  6. Step 6: Final answer
    x = 164,939.32

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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.