Home / 215,115.24-296,866.20-118,323.18

Finding the Fourth Proportional to 215,115.24, 296,866.20 and 118,323.18

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Solution

The fourth proportional to 215,115.24, 296,866.20 and 118,323.18 is: 163,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,115.24 : 296,866.20 = 118,323.18 : x
  2. Step 2: Convert to fraction form
    215,115.24/296,866.20 = 118,323.18/x
  3. Step 3: Cross multiply
    215,115.24x = 296,866.20 × 118,323.18
  4. Step 4: Simplify right side
    215,115.24x = 35,126,152,818.52
  5. Step 5: Solve for x
    x = 35,126,152,818.52/215,115.24
  6. Step 6: Final answer
    x = 163,289.93

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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.