Home / 238,092.39-328,575.47-130,668.35

Finding the Fourth Proportional to 238,092.39, 328,575.47 and 130,668.35

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Solution

The fourth proportional to 238,092.39, 328,575.47 and 130,668.35 is: 180,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,092.39 : 328,575.47 = 130,668.35 : x
  2. Step 2: Convert to fraction form
    238,092.39/328,575.47 = 130,668.35/x
  3. Step 3: Cross multiply
    238,092.39x = 328,575.47 × 130,668.35
  4. Step 4: Simplify right side
    238,092.39x = 42,934,412,219.16
  5. Step 5: Solve for x
    x = 42,934,412,219.16/238,092.39
  6. Step 6: Final answer
    x = 180,326.69

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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.