Home / 156,942.57-235,378.36-44,620.30

Finding the Fourth Proportional to 156,942.57, 235,378.36 and 44,620.30

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Solution

The fourth proportional to 156,942.57, 235,378.36 and 44,620.30 is: 66,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.57 : 235,378.36 = 44,620.30 : x
  2. Step 2: Convert to fraction form
    156,942.57/235,378.36 = 44,620.30/x
  3. Step 3: Cross multiply
    156,942.57x = 235,378.36 × 44,620.30
  4. Step 4: Simplify right side
    156,942.57x = 10,502,653,036.71
  5. Step 5: Solve for x
    x = 10,502,653,036.71/156,942.57
  6. Step 6: Final answer
    x = 66,920.36

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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.