Home / 228,052.20-342,078.30-144,071.40

Finding the Fourth Proportional to 228,052.20, 342,078.30 and 144,071.40

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Solution

The fourth proportional to 228,052.20, 342,078.30 and 144,071.40 is: 216,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,052.20 : 342,078.30 = 144,071.40 : x
  2. Step 2: Convert to fraction form
    228,052.20/342,078.30 = 144,071.40/x
  3. Step 3: Cross multiply
    228,052.20x = 342,078.30 × 144,071.40
  4. Step 4: Simplify right side
    228,052.20x = 49,283,699,590.62
  5. Step 5: Solve for x
    x = 49,283,699,590.62/228,052.20
  6. Step 6: Final answer
    x = 216,107.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.