Home / 132,764.80-183,206.88-79,053.76

Finding the Fourth Proportional to 132,764.80, 183,206.88 and 79,053.76

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Solution

The fourth proportional to 132,764.80, 183,206.88 and 79,053.76 is: 109,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,764.80 : 183,206.88 = 79,053.76 : x
  2. Step 2: Convert to fraction form
    132,764.80/183,206.88 = 79,053.76/x
  3. Step 3: Cross multiply
    132,764.80x = 183,206.88 × 79,053.76
  4. Step 4: Simplify right side
    132,764.80x = 14,483,192,721.87
  5. Step 5: Solve for x
    x = 14,483,192,721.87/132,764.80
  6. Step 6: Final answer
    x = 109,089.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.