Home / 131,888.84-182,002.34-75,300.21

Finding the Fourth Proportional to 131,888.84, 182,002.34 and 75,300.21

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Solution

The fourth proportional to 131,888.84, 182,002.34 and 75,300.21 is: 103,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.84 : 182,002.34 = 75,300.21 : x
  2. Step 2: Convert to fraction form
    131,888.84/182,002.34 = 75,300.21/x
  3. Step 3: Cross multiply
    131,888.84x = 182,002.34 × 75,300.21
  4. Step 4: Simplify right side
    131,888.84x = 13,704,814,045.99
  5. Step 5: Solve for x
    x = 13,704,814,045.99/131,888.84
  6. Step 6: Final answer
    x = 103,911.86

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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.