Home / 250,109.76-345,151.47-136,932.51

Finding the Fourth Proportional to 250,109.76, 345,151.47 and 136,932.51

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Solution

The fourth proportional to 250,109.76, 345,151.47 and 136,932.51 is: 188,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,109.76 : 345,151.47 = 136,932.51 : x
  2. Step 2: Convert to fraction form
    250,109.76/345,151.47 = 136,932.51/x
  3. Step 3: Cross multiply
    250,109.76x = 345,151.47 × 136,932.51
  4. Step 4: Simplify right side
    250,109.76x = 47,262,457,117.29
  5. Step 5: Solve for x
    x = 47,262,457,117.29/250,109.76
  6. Step 6: Final answer
    x = 188,966.86

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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.