Home / 168,000.90-252,001.35-112,013.70

Finding the Fourth Proportional to 168,000.90, 252,001.35 and 112,013.70

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Solution

The fourth proportional to 168,000.90, 252,001.35 and 112,013.70 is: 168,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.90 : 252,001.35 = 112,013.70 : x
  2. Step 2: Convert to fraction form
    168,000.90/252,001.35 = 112,013.70/x
  3. Step 3: Cross multiply
    168,000.90x = 252,001.35 × 112,013.70
  4. Step 4: Simplify right side
    168,000.90x = 28,227,603,618.50
  5. Step 5: Solve for x
    x = 28,227,603,618.50/168,000.90
  6. Step 6: Final answer
    x = 168,020.55

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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.