Home / 137,128.41-205,596.02-52,817.94

Finding the Fourth Proportional to 137,128.41, 205,596.02 and 52,817.94

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Solution

The fourth proportional to 137,128.41, 205,596.02 and 52,817.94 is: 79,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,128.41 : 205,596.02 = 52,817.94 : x
  2. Step 2: Convert to fraction form
    137,128.41/205,596.02 = 52,817.94/x
  3. Step 3: Cross multiply
    137,128.41x = 205,596.02 × 52,817.94
  4. Step 4: Simplify right side
    137,128.41x = 10,859,156,956.53
  5. Step 5: Solve for x
    x = 10,859,156,956.53/137,128.41
  6. Step 6: Final answer
    x = 79,189.70

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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.