Home / 156,776.45-235,169.55-74,599.62

Finding the Fourth Proportional to 156,776.45, 235,169.55 and 74,599.62

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Solution

The fourth proportional to 156,776.45, 235,169.55 and 74,599.62 is: 111,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,776.45 : 235,169.55 = 74,599.62 : x
  2. Step 2: Convert to fraction form
    156,776.45/235,169.55 = 74,599.62/x
  3. Step 3: Cross multiply
    156,776.45x = 235,169.55 × 74,599.62
  4. Step 4: Simplify right side
    156,776.45x = 17,543,559,065.57
  5. Step 5: Solve for x
    x = 17,543,559,065.57/156,776.45
  6. Step 6: Final answer
    x = 111,901.75

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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.