Home / 255,442.46-352,510.60-142,265.20

Finding the Fourth Proportional to 255,442.46, 352,510.60 and 142,265.20

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Solution

The fourth proportional to 255,442.46, 352,510.60 and 142,265.20 is: 196,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,442.46 : 352,510.60 = 142,265.20 : x
  2. Step 2: Convert to fraction form
    255,442.46/352,510.60 = 142,265.20/x
  3. Step 3: Cross multiply
    255,442.46x = 352,510.60 × 142,265.20
  4. Step 4: Simplify right side
    255,442.46x = 50,149,991,011.12
  5. Step 5: Solve for x
    x = 50,149,991,011.12/255,442.46
  6. Step 6: Final answer
    x = 196,325.98

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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.