Home / 255,214.79-352,196.40-142,064.27

Finding the Fourth Proportional to 255,214.79, 352,196.40 and 142,064.27

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Solution

The fourth proportional to 255,214.79, 352,196.40 and 142,064.27 is: 196,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.79 : 352,196.40 = 142,064.27 : x
  2. Step 2: Convert to fraction form
    255,214.79/352,196.40 = 142,064.27/x
  3. Step 3: Cross multiply
    255,214.79x = 352,196.40 × 142,064.27
  4. Step 4: Simplify right side
    255,214.79x = 50,034,522,701.65
  5. Step 5: Solve for x
    x = 50,034,522,701.65/255,214.79
  6. Step 6: Final answer
    x = 196,048.68

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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.