Home / 238,112.82-328,615.86-130,701.05

Finding the Fourth Proportional to 238,112.82, 328,615.86 and 130,701.05

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Solution

The fourth proportional to 238,112.82, 328,615.86 and 130,701.05 is: 180,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,112.82 : 328,615.86 = 130,701.05 : x
  2. Step 2: Convert to fraction form
    238,112.82/328,615.86 = 130,701.05/x
  3. Step 3: Cross multiply
    238,112.82x = 328,615.86 × 130,701.05
  4. Step 4: Simplify right side
    238,112.82x = 42,950,437,948.65
  5. Step 5: Solve for x
    x = 42,950,437,948.65/238,112.82
  6. Step 6: Final answer
    x = 180,378.52

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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.