Home / 263,746.04-363,969-142,890.30

Finding the Fourth Proportional to 263,746.04, 363,969 and 142,890.30

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Solution

The fourth proportional to 263,746.04, 363,969 and 142,890.30 is: 197,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,746.04 : 363,969 = 142,890.30 : x
  2. Step 2: Convert to fraction form
    263,746.04/363,969 = 142,890.30/x
  3. Step 3: Cross multiply
    263,746.04x = 363,969 × 142,890.30
  4. Step 4: Simplify right side
    263,746.04x = 52,007,639,600.70
  5. Step 5: Solve for x
    x = 52,007,639,600.70/263,746.04
  6. Step 6: Final answer
    x = 197,188.33

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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.