Home / 103,623.54-142,992.45-58,292.50

Finding the Fourth Proportional to 103,623.54, 142,992.45 and 58,292.50

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Solution

The fourth proportional to 103,623.54, 142,992.45 and 58,292.50 is: 80,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.54 : 142,992.45 = 58,292.50 : x
  2. Step 2: Convert to fraction form
    103,623.54/142,992.45 = 58,292.50/x
  3. Step 3: Cross multiply
    103,623.54x = 142,992.45 × 58,292.50
  4. Step 4: Simplify right side
    103,623.54x = 8,335,387,391.63
  5. Step 5: Solve for x
    x = 8,335,387,391.63/103,623.54
  6. Step 6: Final answer
    x = 80,439.13

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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.