Home / 112,649.79-155,450.54-64,244.61

Finding the Fourth Proportional to 112,649.79, 155,450.54 and 64,244.61

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Solution

The fourth proportional to 112,649.79, 155,450.54 and 64,244.61 is: 88,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,649.79 : 155,450.54 = 64,244.61 : x
  2. Step 2: Convert to fraction form
    112,649.79/155,450.54 = 64,244.61/x
  3. Step 3: Cross multiply
    112,649.79x = 155,450.54 × 64,244.61
  4. Step 4: Simplify right side
    112,649.79x = 9,986,858,995.37
  5. Step 5: Solve for x
    x = 9,986,858,995.37/112,649.79
  6. Step 6: Final answer
    x = 88,654.04

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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.