Home / 148,000.90-222,001.35-100,999.30

Finding the Fourth Proportional to 148,000.90, 222,001.35 and 100,999.30

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Solution

The fourth proportional to 148,000.90, 222,001.35 and 100,999.30 is: 151,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,000.90 : 222,001.35 = 100,999.30 : x
  2. Step 2: Convert to fraction form
    148,000.90/222,001.35 = 100,999.30/x
  3. Step 3: Cross multiply
    148,000.90x = 222,001.35 × 100,999.30
  4. Step 4: Simplify right side
    148,000.90x = 22,421,980,949.06
  5. Step 5: Solve for x
    x = 22,421,980,949.06/148,000.90
  6. Step 6: Final answer
    x = 151,498.95

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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.