Home / 121,544.84-182,336.70-51,424.76

Finding the Fourth Proportional to 121,544.84, 182,336.70 and 51,424.76

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Solution

The fourth proportional to 121,544.84, 182,336.70 and 51,424.76 is: 77,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544.84 : 182,336.70 = 51,424.76 : x
  2. Step 2: Convert to fraction form
    121,544.84/182,336.70 = 51,424.76/x
  3. Step 3: Cross multiply
    121,544.84x = 182,336.70 × 51,424.76
  4. Step 4: Simplify right side
    121,544.84x = 9,376,620,125.01
  5. Step 5: Solve for x
    x = 9,376,620,125.01/121,544.84
  6. Step 6: Final answer
    x = 77,145.36

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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.