Home / 255,442.94-352,522.19-142,265.69

Finding the Fourth Proportional to 255,442.94, 352,522.19 and 142,265.69

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Solution

The fourth proportional to 255,442.94, 352,522.19 and 142,265.69 is: 196,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,442.94 : 352,522.19 = 142,265.69 : x
  2. Step 2: Convert to fraction form
    255,442.94/352,522.19 = 142,265.69/x
  3. Step 3: Cross multiply
    255,442.94x = 352,522.19 × 142,265.69
  4. Step 4: Simplify right side
    255,442.94x = 50,151,812,600.66
  5. Step 5: Solve for x
    x = 50,151,812,600.66/255,442.94
  6. Step 6: Final answer
    x = 196,332.74

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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.