Home / 92,045.76-137,953.20-39,393.36

Finding the Fourth Proportional to 92,045.76, 137,953.20 and 39,393.36

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Solution

The fourth proportional to 92,045.76, 137,953.20 and 39,393.36 is: 59,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,045.76 : 137,953.20 = 39,393.36 : x
  2. Step 2: Convert to fraction form
    92,045.76/137,953.20 = 39,393.36/x
  3. Step 3: Cross multiply
    92,045.76x = 137,953.20 × 39,393.36
  4. Step 4: Simplify right side
    92,045.76x = 5,434,440,070.75
  5. Step 5: Solve for x
    x = 5,434,440,070.75/92,045.76
  6. Step 6: Final answer
    x = 59,040.63

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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.