Home / 132,726.80-183,188.04-76,175.12

Finding the Fourth Proportional to 132,726.80, 183,188.04 and 76,175.12

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Solution

The fourth proportional to 132,726.80, 183,188.04 and 76,175.12 is: 105,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,726.80 : 183,188.04 = 76,175.12 : x
  2. Step 2: Convert to fraction form
    132,726.80/183,188.04 = 76,175.12/x
  3. Step 3: Cross multiply
    132,726.80x = 183,188.04 × 76,175.12
  4. Step 4: Simplify right side
    132,726.80x = 13,954,370,929.56
  5. Step 5: Solve for x
    x = 13,954,370,929.56/132,726.80
  6. Step 6: Final answer
    x = 105,136.05

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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.