Home / 260,095.95-390,157.44-82,616.85

Finding the Fourth Proportional to 260,095.95, 390,157.44 and 82,616.85

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Solution

The fourth proportional to 260,095.95, 390,157.44 and 82,616.85 is: 123,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,095.95 : 390,157.44 = 82,616.85 : x
  2. Step 2: Convert to fraction form
    260,095.95/390,157.44 = 82,616.85/x
  3. Step 3: Cross multiply
    260,095.95x = 390,157.44 × 82,616.85
  4. Step 4: Simplify right side
    260,095.95x = 32,233,578,696.86
  5. Step 5: Solve for x
    x = 32,233,578,696.86/260,095.95
  6. Step 6: Final answer
    x = 123,929.57

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1.5x scale

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.