Home / 112,201.90-154,852.34-64,455.14

Finding the Fourth Proportional to 112,201.90, 154,852.34 and 64,455.14

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Solution

The fourth proportional to 112,201.90, 154,852.34 and 64,455.14 is: 88,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.90 : 154,852.34 = 64,455.14 : x
  2. Step 2: Convert to fraction form
    112,201.90/154,852.34 = 64,455.14/x
  3. Step 3: Cross multiply
    112,201.90x = 154,852.34 × 64,455.14
  4. Step 4: Simplify right side
    112,201.90x = 9,981,029,318.88
  5. Step 5: Solve for x
    x = 9,981,029,318.88/112,201.90
  6. Step 6: Final answer
    x = 88,955.98

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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.