Home / 112,535.94-155,293.80-61,538.75

Finding the Fourth Proportional to 112,535.94, 155,293.80 and 61,538.75

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Solution

The fourth proportional to 112,535.94, 155,293.80 and 61,538.75 is: 84,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.94 : 155,293.80 = 61,538.75 : x
  2. Step 2: Convert to fraction form
    112,535.94/155,293.80 = 61,538.75/x
  3. Step 3: Cross multiply
    112,535.94x = 155,293.80 × 61,538.75
  4. Step 4: Simplify right side
    112,535.94x = 9,556,585,558.28
  5. Step 5: Solve for x
    x = 9,556,585,558.28/112,535.94
  6. Step 6: Final answer
    x = 84,920.30

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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.