Home / 112,448-155,176.16-62,145.92

Finding the Fourth Proportional to 112,448, 155,176.16 and 62,145.92

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Solution

The fourth proportional to 112,448, 155,176.16 and 62,145.92 is: 85,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448 : 155,176.16 = 62,145.92 : x
  2. Step 2: Convert to fraction form
    112,448/155,176.16 = 62,145.92/x
  3. Step 3: Cross multiply
    112,448x = 155,176.16 × 62,145.92
  4. Step 4: Simplify right side
    112,448x = 9,643,565,225.27
  5. Step 5: Solve for x
    x = 9,643,565,225.27/112,448
  6. Step 6: Final answer
    x = 85,760.22

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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.