Home / 245,180.86-338,347.27-136,282.34

Finding the Fourth Proportional to 245,180.86, 338,347.27 and 136,282.34

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Solution

The fourth proportional to 245,180.86, 338,347.27 and 136,282.34 is: 188,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,180.86 : 338,347.27 = 136,282.34 : x
  2. Step 2: Convert to fraction form
    245,180.86/338,347.27 = 136,282.34/x
  3. Step 3: Cross multiply
    245,180.86x = 338,347.27 × 136,282.34
  4. Step 4: Simplify right side
    245,180.86x = 46,110,757,347.51
  5. Step 5: Solve for x
    x = 46,110,757,347.51/245,180.86
  6. Step 6: Final answer
    x = 188,068.34

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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.