Home / 245,657.16-339,002.91-138,227.13

Finding the Fourth Proportional to 245,657.16, 339,002.91 and 138,227.13

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Solution

The fourth proportional to 245,657.16, 339,002.91 and 138,227.13 is: 190,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,657.16 : 339,002.91 = 138,227.13 : x
  2. Step 2: Convert to fraction form
    245,657.16/339,002.91 = 138,227.13/x
  3. Step 3: Cross multiply
    245,657.16x = 339,002.91 × 138,227.13
  4. Step 4: Simplify right side
    245,657.16x = 46,859,399,310.95
  5. Step 5: Solve for x
    x = 46,859,399,310.95/245,657.16
  6. Step 6: Final answer
    x = 190,751.21

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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.