Home / 112,944.85-155,863.94-62,643.85

Finding the Fourth Proportional to 112,944.85, 155,863.94 and 62,643.85

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Solution

The fourth proportional to 112,944.85, 155,863.94 and 62,643.85 is: 86,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.85 : 155,863.94 = 62,643.85 : x
  2. Step 2: Convert to fraction form
    112,944.85/155,863.94 = 62,643.85/x
  3. Step 3: Cross multiply
    112,944.85x = 155,863.94 × 62,643.85
  4. Step 4: Simplify right side
    112,944.85x = 9,763,916,574.89
  5. Step 5: Solve for x
    x = 9,763,916,574.89/112,944.85
  6. Step 6: Final answer
    x = 86,448.53

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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.