Home / 245,677.16-339,008.34-138,245.32

Finding the Fourth Proportional to 245,677.16, 339,008.34 and 138,245.32

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Solution

The fourth proportional to 245,677.16, 339,008.34 and 138,245.32 is: 190,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,677.16 : 339,008.34 = 138,245.32 : x
  2. Step 2: Convert to fraction form
    245,677.16/339,008.34 = 138,245.32/x
  3. Step 3: Cross multiply
    245,677.16x = 339,008.34 × 138,245.32
  4. Step 4: Simplify right side
    245,677.16x = 46,866,316,445.97
  5. Step 5: Solve for x
    x = 46,866,316,445.97/245,677.16
  6. Step 6: Final answer
    x = 190,763.83

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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.