Home / 245,496.24-338,781.60-138,066.24

Finding the Fourth Proportional to 245,496.24, 338,781.60 and 138,066.24

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Solution

The fourth proportional to 245,496.24, 338,781.60 and 138,066.24 is: 190,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,496.24 : 338,781.60 = 138,066.24 : x
  2. Step 2: Convert to fraction form
    245,496.24/338,781.60 = 138,066.24/x
  3. Step 3: Cross multiply
    245,496.24x = 338,781.60 × 138,066.24
  4. Step 4: Simplify right side
    245,496.24x = 46,774,301,693.18
  5. Step 5: Solve for x
    x = 46,774,301,693.18/245,496.24
  6. Step 6: Final answer
    x = 190,529.61

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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.