Home / 81,152.32-112,133.28-62,451.04

Finding the Fourth Proportional to 81,152.32, 112,133.28 and 62,451.04

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Solution

The fourth proportional to 81,152.32, 112,133.28 and 62,451.04 is: 86,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,152.32 : 112,133.28 = 62,451.04 : x
  2. Step 2: Convert to fraction form
    81,152.32/112,133.28 = 62,451.04/x
  3. Step 3: Cross multiply
    81,152.32x = 112,133.28 × 62,451.04
  4. Step 4: Simplify right side
    81,152.32x = 7,002,839,954.61
  5. Step 5: Solve for x
    x = 7,002,839,954.61/81,152.32
  6. Step 6: Final answer
    x = 86,292.54

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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.