Home / 255,302.80-352,308.36-142,123.12

Finding the Fourth Proportional to 255,302.80, 352,308.36 and 142,123.12

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Solution

The fourth proportional to 255,302.80, 352,308.36 and 142,123.12 is: 196,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,302.80 : 352,308.36 = 142,123.12 : x
  2. Step 2: Convert to fraction form
    255,302.80/352,308.36 = 142,123.12/x
  3. Step 3: Cross multiply
    255,302.80x = 352,308.36 × 142,123.12
  4. Step 4: Simplify right side
    255,302.80x = 50,071,163,325.28
  5. Step 5: Solve for x
    x = 50,071,163,325.28/255,302.80
  6. Step 6: Final answer
    x = 196,124.61

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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.