Home / 213,152.04-294,152.24-117,658.78

Finding the Fourth Proportional to 213,152.04, 294,152.24 and 117,658.78

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Solution

The fourth proportional to 213,152.04, 294,152.24 and 117,658.78 is: 162,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,152.04 : 294,152.24 = 117,658.78 : x
  2. Step 2: Convert to fraction form
    213,152.04/294,152.24 = 117,658.78/x
  3. Step 3: Cross multiply
    213,152.04x = 294,152.24 × 117,658.78
  4. Step 4: Simplify right side
    213,152.04x = 34,609,593,251.43
  5. Step 5: Solve for x
    x = 34,609,593,251.43/213,152.04
  6. Step 6: Final answer
    x = 162,370.45

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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.