Home / 103,635.95-143,017.34-58,314.02

Finding the Fourth Proportional to 103,635.95, 143,017.34 and 58,314.02

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Solution

The fourth proportional to 103,635.95, 143,017.34 and 58,314.02 is: 80,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.95 : 143,017.34 = 58,314.02 : x
  2. Step 2: Convert to fraction form
    103,635.95/143,017.34 = 58,314.02/x
  3. Step 3: Cross multiply
    103,635.95x = 143,017.34 × 58,314.02
  4. Step 4: Simplify right side
    103,635.95x = 8,339,916,025.11
  5. Step 5: Solve for x
    x = 8,339,916,025.11/103,635.95
  6. Step 6: Final answer
    x = 80,473.20

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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.