Home / 215,142.12-296,886.96-118,339.83

Finding the Fourth Proportional to 215,142.12, 296,886.96 and 118,339.83

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Solution

The fourth proportional to 215,142.12, 296,886.96 and 118,339.83 is: 163,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,142.12 : 296,886.96 = 118,339.83 : x
  2. Step 2: Convert to fraction form
    215,142.12/296,886.96 = 118,339.83/x
  3. Step 3: Cross multiply
    215,142.12x = 296,886.96 × 118,339.83
  4. Step 4: Simplify right side
    215,142.12x = 35,133,553,292.36
  5. Step 5: Solve for x
    x = 35,133,553,292.36/215,142.12
  6. Step 6: Final answer
    x = 163,303.93

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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.