Home / 156,975.03-235,457.22-68,228.55

Finding the Fourth Proportional to 156,975.03, 235,457.22 and 68,228.55

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Solution

The fourth proportional to 156,975.03, 235,457.22 and 68,228.55 is: 102,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.03 : 235,457.22 = 68,228.55 : x
  2. Step 2: Convert to fraction form
    156,975.03/235,457.22 = 68,228.55/x
  3. Step 3: Cross multiply
    156,975.03x = 235,457.22 × 68,228.55
  4. Step 4: Simplify right side
    156,975.03x = 16,064,904,707.63
  5. Step 5: Solve for x
    x = 16,064,904,707.63/156,975.03
  6. Step 6: Final answer
    x = 102,340.51

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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.