Home / 147,622.70-221,434.05-54,116.30

Finding the Fourth Proportional to 147,622.70, 221,434.05 and 54,116.30

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Solution

The fourth proportional to 147,622.70, 221,434.05 and 54,116.30 is: 81,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.70 : 221,434.05 = 54,116.30 : x
  2. Step 2: Convert to fraction form
    147,622.70/221,434.05 = 54,116.30/x
  3. Step 3: Cross multiply
    147,622.70x = 221,434.05 × 54,116.30
  4. Step 4: Simplify right side
    147,622.70x = 11,983,191,480.02
  5. Step 5: Solve for x
    x = 11,983,191,480.02/147,622.70
  6. Step 6: Final answer
    x = 81,174.45

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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.