Home / 112,262.28-154,919.58-61,273.32

Finding the Fourth Proportional to 112,262.28, 154,919.58 and 61,273.32

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Solution

The fourth proportional to 112,262.28, 154,919.58 and 61,273.32 is: 84,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,262.28 : 154,919.58 = 61,273.32 : x
  2. Step 2: Convert to fraction form
    112,262.28/154,919.58 = 61,273.32/x
  3. Step 3: Cross multiply
    112,262.28x = 154,919.58 × 61,273.32
  4. Step 4: Simplify right side
    112,262.28x = 9,492,436,999.61
  5. Step 5: Solve for x
    x = 9,492,436,999.61/112,262.28
  6. Step 6: Final answer
    x = 84,555.89

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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.