Home / 105,519.24-145,600.79-64,104.75

Finding the Fourth Proportional to 105,519.24, 145,600.79 and 64,104.75

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Solution

The fourth proportional to 105,519.24, 145,600.79 and 64,104.75 is: 88,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,519.24 : 145,600.79 = 64,104.75 : x
  2. Step 2: Convert to fraction form
    105,519.24/145,600.79 = 64,104.75/x
  3. Step 3: Cross multiply
    105,519.24x = 145,600.79 × 64,104.75
  4. Step 4: Simplify right side
    105,519.24x = 9,333,701,922.23
  5. Step 5: Solve for x
    x = 9,333,701,922.23/105,519.24
  6. Step 6: Final answer
    x = 88,454.98

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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.