Home / 147,973.83-221,392.80-84,824.22

Finding the Fourth Proportional to 147,973.83, 221,392.80 and 84,824.22

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Solution

The fourth proportional to 147,973.83, 221,392.80 and 84,824.22 is: 126,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,973.83 : 221,392.80 = 84,824.22 : x
  2. Step 2: Convert to fraction form
    147,973.83/221,392.80 = 84,824.22/x
  3. Step 3: Cross multiply
    147,973.83x = 221,392.80 × 84,824.22
  4. Step 4: Simplify right side
    147,973.83x = 18,779,471,573.62
  5. Step 5: Solve for x
    x = 18,779,471,573.62/147,973.83
  6. Step 6: Final answer
    x = 126,910.76

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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.