Home / 180,139.55-268,890.20-158,858.69

Finding the Fourth Proportional to 180,139.55, 268,890.20 and 158,858.69

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Solution

The fourth proportional to 180,139.55, 268,890.20 and 158,858.69 is: 237,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,139.55 : 268,890.20 = 158,858.69 : x
  2. Step 2: Convert to fraction form
    180,139.55/268,890.20 = 158,858.69/x
  3. Step 3: Cross multiply
    180,139.55x = 268,890.20 × 158,858.69
  4. Step 4: Simplify right side
    180,139.55x = 42,715,543,382.81
  5. Step 5: Solve for x
    x = 42,715,543,382.81/180,139.55
  6. Step 6: Final answer
    x = 237,124.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.