Home / 125,519.40-187,968.06-69,998.76

Finding the Fourth Proportional to 125,519.40, 187,968.06 and 69,998.76

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Solution

The fourth proportional to 125,519.40, 187,968.06 and 69,998.76 is: 104,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.40 : 187,968.06 = 69,998.76 : x
  2. Step 2: Convert to fraction form
    125,519.40/187,968.06 = 69,998.76/x
  3. Step 3: Cross multiply
    125,519.40x = 187,968.06 × 69,998.76
  4. Step 4: Simplify right side
    125,519.40x = 13,157,531,119.61
  5. Step 5: Solve for x
    x = 13,157,531,119.61/125,519.40
  6. Step 6: Final answer
    x = 104,824.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.