Home / 148,014.30-222,021.45-142,109.40

Finding the Fourth Proportional to 148,014.30, 222,021.45 and 142,109.40

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Solution

The fourth proportional to 148,014.30, 222,021.45 and 142,109.40 is: 213,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,014.30 : 222,021.45 = 142,109.40 : x
  2. Step 2: Convert to fraction form
    148,014.30/222,021.45 = 142,109.40/x
  3. Step 3: Cross multiply
    148,014.30x = 222,021.45 × 142,109.40
  4. Step 4: Simplify right side
    148,014.30x = 31,551,335,046.63
  5. Step 5: Solve for x
    x = 31,551,335,046.63/148,014.30
  6. Step 6: Final answer
    x = 213,164.10

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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.