Home / 156,312.96-234,223.56-120,860.88

Finding the Fourth Proportional to 156,312.96, 234,223.56 and 120,860.88

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Solution

The fourth proportional to 156,312.96, 234,223.56 and 120,860.88 is: 181,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,312.96 : 234,223.56 = 120,860.88 : x
  2. Step 2: Convert to fraction form
    156,312.96/234,223.56 = 120,860.88/x
  3. Step 3: Cross multiply
    156,312.96x = 234,223.56 × 120,860.88
  4. Step 4: Simplify right side
    156,312.96x = 28,308,465,578.33
  5. Step 5: Solve for x
    x = 28,308,465,578.33/156,312.96
  6. Step 6: Final answer
    x = 181,101.21

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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.