Home / 104,759.08-144,570.60-57,015.52

Finding the Fourth Proportional to 104,759.08, 144,570.60 and 57,015.52

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Solution

The fourth proportional to 104,759.08, 144,570.60 and 57,015.52 is: 78,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,759.08 : 144,570.60 = 57,015.52 : x
  2. Step 2: Convert to fraction form
    104,759.08/144,570.60 = 57,015.52/x
  3. Step 3: Cross multiply
    104,759.08x = 144,570.60 × 57,015.52
  4. Step 4: Simplify right side
    104,759.08x = 8,242,767,574.29
  5. Step 5: Solve for x
    x = 8,242,767,574.29/104,759.08
  6. Step 6: Final answer
    x = 78,683.09

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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.