Home / 105,350.08-145,383.24-57,603.64

Finding the Fourth Proportional to 105,350.08, 145,383.24 and 57,603.64

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Solution

The fourth proportional to 105,350.08, 145,383.24 and 57,603.64 is: 79,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,350.08 : 145,383.24 = 57,603.64 : x
  2. Step 2: Convert to fraction form
    105,350.08/145,383.24 = 57,603.64/x
  3. Step 3: Cross multiply
    105,350.08x = 145,383.24 × 57,603.64
  4. Step 4: Simplify right side
    105,350.08x = 8,374,603,818.99
  5. Step 5: Solve for x
    x = 8,374,603,818.99/105,350.08
  6. Step 6: Final answer
    x = 79,493.09

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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.