Home / 156,948.90-235,164.15-133,620.90

Finding the Fourth Proportional to 156,948.90, 235,164.15 and 133,620.90

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Solution

The fourth proportional to 156,948.90, 235,164.15 and 133,620.90 is: 200,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.90 : 235,164.15 = 133,620.90 : x
  2. Step 2: Convert to fraction form
    156,948.90/235,164.15 = 133,620.90/x
  3. Step 3: Cross multiply
    156,948.90x = 235,164.15 × 133,620.90
  4. Step 4: Simplify right side
    156,948.90x = 31,422,845,370.74
  5. Step 5: Solve for x
    x = 31,422,845,370.74/156,948.90
  6. Step 6: Final answer
    x = 200,210.68

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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.