Home / 147,905.20-221,857.80-64,961.20

Finding the Fourth Proportional to 147,905.20, 221,857.80 and 64,961.20

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Solution

The fourth proportional to 147,905.20, 221,857.80 and 64,961.20 is: 97,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905.20 : 221,857.80 = 64,961.20 : x
  2. Step 2: Convert to fraction form
    147,905.20/221,857.80 = 64,961.20/x
  3. Step 3: Cross multiply
    147,905.20x = 221,857.80 × 64,961.20
  4. Step 4: Simplify right side
    147,905.20x = 14,412,148,917.36
  5. Step 5: Solve for x
    x = 14,412,148,917.36/147,905.20
  6. Step 6: Final answer
    x = 97,441.80

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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.