Home / 236,723.53-326,678.47-129,293.82

Finding the Fourth Proportional to 236,723.53, 326,678.47 and 129,293.82

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Solution

The fourth proportional to 236,723.53, 326,678.47 and 129,293.82 is: 178,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,723.53 : 326,678.47 = 129,293.82 : x
  2. Step 2: Convert to fraction form
    236,723.53/326,678.47 = 129,293.82/x
  3. Step 3: Cross multiply
    236,723.53x = 326,678.47 × 129,293.82
  4. Step 4: Simplify right side
    236,723.53x = 42,237,506,145.74
  5. Step 5: Solve for x
    x = 42,237,506,145.74/236,723.53
  6. Step 6: Final answer
    x = 178,425.47

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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.