Home / 105,448.25-145,518.59-57,701.60

Finding the Fourth Proportional to 105,448.25, 145,518.59 and 57,701.60

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Solution

The fourth proportional to 105,448.25, 145,518.59 and 57,701.60 is: 79,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,448.25 : 145,518.59 = 57,701.60 : x
  2. Step 2: Convert to fraction form
    105,448.25/145,518.59 = 57,701.60/x
  3. Step 3: Cross multiply
    105,448.25x = 145,518.59 × 57,701.60
  4. Step 4: Simplify right side
    105,448.25x = 8,396,655,435.10
  5. Step 5: Solve for x
    x = 8,396,655,435.10/105,448.25
  6. Step 6: Final answer
    x = 79,628.21

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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.