Home / 112,383.93-155,087.24-61,396.88

Finding the Fourth Proportional to 112,383.93, 155,087.24 and 61,396.88

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Solution

The fourth proportional to 112,383.93, 155,087.24 and 61,396.88 is: 84,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383.93 : 155,087.24 = 61,396.88 : x
  2. Step 2: Convert to fraction form
    112,383.93/155,087.24 = 61,396.88/x
  3. Step 3: Cross multiply
    112,383.93x = 155,087.24 × 61,396.88
  4. Step 4: Simplify right side
    112,383.93x = 9,521,871,581.39
  5. Step 5: Solve for x
    x = 9,521,871,581.39/112,383.93
  6. Step 6: Final answer
    x = 84,726.27

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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.