Home / 103,679.95-143,083.02-58,373.50

Finding the Fourth Proportional to 103,679.95, 143,083.02 and 58,373.50

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Solution

The fourth proportional to 103,679.95, 143,083.02 and 58,373.50 is: 80,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.95 : 143,083.02 = 58,373.50 : x
  2. Step 2: Convert to fraction form
    103,679.95/143,083.02 = 58,373.50/x
  3. Step 3: Cross multiply
    103,679.95x = 143,083.02 × 58,373.50
  4. Step 4: Simplify right side
    103,679.95x = 8,352,256,667.97
  5. Step 5: Solve for x
    x = 8,352,256,667.97/103,679.95
  6. Step 6: Final answer
    x = 80,558.07

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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.