Home / 156,911.45-235,367.18-51,705.05

Finding the Fourth Proportional to 156,911.45, 235,367.18 and 51,705.05

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Solution

The fourth proportional to 156,911.45, 235,367.18 and 51,705.05 is: 77,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.45 : 235,367.18 = 51,705.05 : x
  2. Step 2: Convert to fraction form
    156,911.45/235,367.18 = 51,705.05/x
  3. Step 3: Cross multiply
    156,911.45x = 235,367.18 × 51,705.05
  4. Step 4: Simplify right side
    156,911.45x = 12,169,671,551.73
  5. Step 5: Solve for x
    x = 12,169,671,551.73/156,911.45
  6. Step 6: Final answer
    x = 77,557.58

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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.