Home / 103,391.07-142,677.95-58,069.14

Finding the Fourth Proportional to 103,391.07, 142,677.95 and 58,069.14

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Solution

The fourth proportional to 103,391.07, 142,677.95 and 58,069.14 is: 80,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.07 : 142,677.95 = 58,069.14 : x
  2. Step 2: Convert to fraction form
    103,391.07/142,677.95 = 58,069.14/x
  3. Step 3: Cross multiply
    103,391.07x = 142,677.95 × 58,069.14
  4. Step 4: Simplify right side
    103,391.07x = 8,285,185,563.12
  5. Step 5: Solve for x
    x = 8,285,185,563.12/103,391.07
  6. Step 6: Final answer
    x = 80,134.44

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1.5x scale

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.