Home / 112,947.57-155,867.75-62,646.57

Finding the Fourth Proportional to 112,947.57, 155,867.75 and 62,646.57

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Solution

The fourth proportional to 112,947.57, 155,867.75 and 62,646.57 is: 86,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.57 : 155,867.75 = 62,646.57 : x
  2. Step 2: Convert to fraction form
    112,947.57/155,867.75 = 62,646.57/x
  3. Step 3: Cross multiply
    112,947.57x = 155,867.75 × 62,646.57
  4. Step 4: Simplify right side
    112,947.57x = 9,764,579,597.88
  5. Step 5: Solve for x
    x = 9,764,579,597.88/112,947.57
  6. Step 6: Final answer
    x = 86,452.32

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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.