Home / 259,511.13-358,130.03-152,111.61

Finding the Fourth Proportional to 259,511.13, 358,130.03 and 152,111.61

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Solution

The fourth proportional to 259,511.13, 358,130.03 and 152,111.61 is: 209,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,511.13 : 358,130.03 = 152,111.61 : x
  2. Step 2: Convert to fraction form
    259,511.13/358,130.03 = 152,111.61/x
  3. Step 3: Cross multiply
    259,511.13x = 358,130.03 × 152,111.61
  4. Step 4: Simplify right side
    259,511.13x = 54,475,734,692.09
  5. Step 5: Solve for x
    x = 54,475,734,692.09/259,511.13
  6. Step 6: Final answer
    x = 209,916.76

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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.