Home / 215,028.12-296,746.43-118,239.35

Finding the Fourth Proportional to 215,028.12, 296,746.43 and 118,239.35

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Solution

The fourth proportional to 215,028.12, 296,746.43 and 118,239.35 is: 163,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,028.12 : 296,746.43 = 118,239.35 : x
  2. Step 2: Convert to fraction form
    215,028.12/296,746.43 = 118,239.35/x
  3. Step 3: Cross multiply
    215,028.12x = 296,746.43 × 118,239.35
  4. Step 4: Simplify right side
    215,028.12x = 35,087,102,923.09
  5. Step 5: Solve for x
    x = 35,087,102,923.09/215,028.12
  6. Step 6: Final answer
    x = 163,174.48

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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.