Home / 259,520.76-358,139.88-152,091.54

Finding the Fourth Proportional to 259,520.76, 358,139.88 and 152,091.54

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Solution

The fourth proportional to 259,520.76, 358,139.88 and 152,091.54 is: 209,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,520.76 : 358,139.88 = 152,091.54 : x
  2. Step 2: Convert to fraction form
    259,520.76/358,139.88 = 152,091.54/x
  3. Step 3: Cross multiply
    259,520.76x = 358,139.88 × 152,091.54
  4. Step 4: Simplify right side
    259,520.76x = 54,470,045,884.62
  5. Step 5: Solve for x
    x = 54,470,045,884.62/259,520.76
  6. Step 6: Final answer
    x = 209,887.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.