Home / 140,743.02-194,227.02-77,083.50

Finding the Fourth Proportional to 140,743.02, 194,227.02 and 77,083.50

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Solution

The fourth proportional to 140,743.02, 194,227.02 and 77,083.50 is: 106,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,743.02 : 194,227.02 = 77,083.50 : x
  2. Step 2: Convert to fraction form
    140,743.02/194,227.02 = 77,083.50/x
  3. Step 3: Cross multiply
    140,743.02x = 194,227.02 × 77,083.50
  4. Step 4: Simplify right side
    140,743.02x = 14,971,698,496.17
  5. Step 5: Solve for x
    x = 14,971,698,496.17/140,743.02
  6. Step 6: Final answer
    x = 106,376.14

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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.