Home / 103,327.36-142,591.68-58,005.43

Finding the Fourth Proportional to 103,327.36, 142,591.68 and 58,005.43

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Solution

The fourth proportional to 103,327.36, 142,591.68 and 58,005.43 is: 80,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,327.36 : 142,591.68 = 58,005.43 : x
  2. Step 2: Convert to fraction form
    103,327.36/142,591.68 = 58,005.43/x
  3. Step 3: Cross multiply
    103,327.36x = 142,591.68 × 58,005.43
  4. Step 4: Simplify right side
    103,327.36x = 8,271,091,712.82
  5. Step 5: Solve for x
    x = 8,271,091,712.82/103,327.36
  6. Step 6: Final answer
    x = 80,047.45

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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.