Home / 215,038.62-296,727.37-118,226.48

Finding the Fourth Proportional to 215,038.62, 296,727.37 and 118,226.48

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Solution

The fourth proportional to 215,038.62, 296,727.37 and 118,226.48 is: 163,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,038.62 : 296,727.37 = 118,226.48 : x
  2. Step 2: Convert to fraction form
    215,038.62/296,727.37 = 118,226.48/x
  3. Step 3: Cross multiply
    215,038.62x = 296,727.37 × 118,226.48
  4. Step 4: Simplify right side
    215,038.62x = 35,081,030,695.55
  5. Step 5: Solve for x
    x = 35,081,030,695.55/215,038.62
  6. Step 6: Final answer
    x = 163,138.28

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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.