Home / 132,984.63-183,424.86-79,228.17

Finding the Fourth Proportional to 132,984.63, 183,424.86 and 79,228.17

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Solution

The fourth proportional to 132,984.63, 183,424.86 and 79,228.17 is: 109,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.63 : 183,424.86 = 79,228.17 : x
  2. Step 2: Convert to fraction form
    132,984.63/183,424.86 = 79,228.17/x
  3. Step 3: Cross multiply
    132,984.63x = 183,424.86 × 79,228.17
  4. Step 4: Simplify right side
    132,984.63x = 14,532,415,990.31
  5. Step 5: Solve for x
    x = 14,532,415,990.31/132,984.63
  6. Step 6: Final answer
    x = 109,278.91

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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.