Home / 105,544.63-145,651.77-57,147.04

Finding the Fourth Proportional to 105,544.63, 145,651.77 and 57,147.04

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Solution

The fourth proportional to 105,544.63, 145,651.77 and 57,147.04 is: 78,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,544.63 : 145,651.77 = 57,147.04 : x
  2. Step 2: Convert to fraction form
    105,544.63/145,651.77 = 57,147.04/x
  3. Step 3: Cross multiply
    105,544.63x = 145,651.77 × 57,147.04
  4. Step 4: Simplify right side
    105,544.63x = 8,323,567,526.26
  5. Step 5: Solve for x
    x = 8,323,567,526.26/105,544.63
  6. Step 6: Final answer
    x = 78,863.01

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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.