Home / 145,106.48-217,706.76-71,182.64

Finding the Fourth Proportional to 145,106.48, 217,706.76 and 71,182.64

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Solution

The fourth proportional to 145,106.48, 217,706.76 and 71,182.64 is: 106,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,106.48 : 217,706.76 = 71,182.64 : x
  2. Step 2: Convert to fraction form
    145,106.48/217,706.76 = 71,182.64/x
  3. Step 3: Cross multiply
    145,106.48x = 217,706.76 × 71,182.64
  4. Step 4: Simplify right side
    145,106.48x = 15,496,941,922.65
  5. Step 5: Solve for x
    x = 15,496,941,922.65/145,106.48
  6. Step 6: Final answer
    x = 106,797.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.