Home / 245,660.16-339,007.04-138,230.14

Finding the Fourth Proportional to 245,660.16, 339,007.04 and 138,230.14

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Solution

The fourth proportional to 245,660.16, 339,007.04 and 138,230.14 is: 190,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,660.16 : 339,007.04 = 138,230.14 : x
  2. Step 2: Convert to fraction form
    245,660.16/339,007.04 = 138,230.14/x
  3. Step 3: Cross multiply
    245,660.16x = 339,007.04 × 138,230.14
  4. Step 4: Simplify right side
    245,660.16x = 46,860,990,600.19
  5. Step 5: Solve for x
    x = 46,860,990,600.19/245,660.16
  6. Step 6: Final answer
    x = 190,755.35

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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.