Home / 112,348.87-155,037.92-61,360.79

Finding the Fourth Proportional to 112,348.87, 155,037.92 and 61,360.79

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Solution

The fourth proportional to 112,348.87, 155,037.92 and 61,360.79 is: 84,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,348.87 : 155,037.92 = 61,360.79 : x
  2. Step 2: Convert to fraction form
    112,348.87/155,037.92 = 61,360.79/x
  3. Step 3: Cross multiply
    112,348.87x = 155,037.92 × 61,360.79
  4. Step 4: Simplify right side
    112,348.87x = 9,513,248,629.37
  5. Step 5: Solve for x
    x = 9,513,248,629.37/112,348.87
  6. Step 6: Final answer
    x = 84,675.96

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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.