Home / 148,005.40-222,008.10-73,139.80

Finding the Fourth Proportional to 148,005.40, 222,008.10 and 73,139.80

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Solution

The fourth proportional to 148,005.40, 222,008.10 and 73,139.80 is: 109,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.40 : 222,008.10 = 73,139.80 : x
  2. Step 2: Convert to fraction form
    148,005.40/222,008.10 = 73,139.80/x
  3. Step 3: Cross multiply
    148,005.40x = 222,008.10 × 73,139.80
  4. Step 4: Simplify right side
    148,005.40x = 16,237,628,032.38
  5. Step 5: Solve for x
    x = 16,237,628,032.38/148,005.40
  6. Step 6: Final answer
    x = 109,709.70

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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.