Home / 134,528.45-185,649.47-74,099.26

Finding the Fourth Proportional to 134,528.45, 185,649.47 and 74,099.26

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Solution

The fourth proportional to 134,528.45, 185,649.47 and 74,099.26 is: 102,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,528.45 : 185,649.47 = 74,099.26 : x
  2. Step 2: Convert to fraction form
    134,528.45/185,649.47 = 74,099.26/x
  3. Step 3: Cross multiply
    134,528.45x = 185,649.47 × 74,099.26
  4. Step 4: Simplify right side
    134,528.45x = 13,756,487,441.55
  5. Step 5: Solve for x
    x = 13,756,487,441.55/134,528.45
  6. Step 6: Final answer
    x = 102,257.09

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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.