Home / 215,070.66-296,782.11-118,281.33

Finding the Fourth Proportional to 215,070.66, 296,782.11 and 118,281.33

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Solution

The fourth proportional to 215,070.66, 296,782.11 and 118,281.33 is: 163,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,070.66 : 296,782.11 = 118,281.33 : x
  2. Step 2: Convert to fraction form
    215,070.66/296,782.11 = 118,281.33/x
  3. Step 3: Cross multiply
    215,070.66x = 296,782.11 × 118,281.33
  4. Step 4: Simplify right side
    215,070.66x = 35,103,783,067.53
  5. Step 5: Solve for x
    x = 35,103,783,067.53/215,070.66
  6. Step 6: Final answer
    x = 163,219.77

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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.