Home / 145,065.25-200,190.77-84,677.77

Finding the Fourth Proportional to 145,065.25, 200,190.77 and 84,677.77

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Solution

The fourth proportional to 145,065.25, 200,190.77 and 84,677.77 is: 116,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,065.25 : 200,190.77 = 84,677.77 : x
  2. Step 2: Convert to fraction form
    145,065.25/200,190.77 = 84,677.77/x
  3. Step 3: Cross multiply
    145,065.25x = 200,190.77 × 84,677.77
  4. Step 4: Simplify right side
    145,065.25x = 16,951,707,978.18
  5. Step 5: Solve for x
    x = 16,951,707,978.18/145,065.25
  6. Step 6: Final answer
    x = 116,855.75

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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.