Home / 268,495.13-402,476.64-126,085.47

Finding the Fourth Proportional to 268,495.13, 402,476.64 and 126,085.47

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Solution

The fourth proportional to 268,495.13, 402,476.64 and 126,085.47 is: 189,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,495.13 : 402,476.64 = 126,085.47 : x
  2. Step 2: Convert to fraction form
    268,495.13/402,476.64 = 126,085.47/x
  3. Step 3: Cross multiply
    268,495.13x = 402,476.64 × 126,085.47
  4. Step 4: Simplify right side
    268,495.13x = 50,746,456,318.42
  5. Step 5: Solve for x
    x = 50,746,456,318.42/268,495.13
  6. Step 6: Final answer
    x = 189,003.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.