Home / 112,285.74-154,957.14-63,885

Finding the Fourth Proportional to 112,285.74, 154,957.14 and 63,885

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Solution

The fourth proportional to 112,285.74, 154,957.14 and 63,885 is: 88,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,285.74 : 154,957.14 = 63,885 : x
  2. Step 2: Convert to fraction form
    112,285.74/154,957.14 = 63,885/x
  3. Step 3: Cross multiply
    112,285.74x = 154,957.14 × 63,885
  4. Step 4: Simplify right side
    112,285.74x = 9,899,436,888.90
  5. Step 5: Solve for x
    x = 9,899,436,888.90/112,285.74
  6. Step 6: Final answer
    x = 88,162.90

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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.