Home / 238,084.56-328,559.16-130,661.52

Finding the Fourth Proportional to 238,084.56, 328,559.16 and 130,661.52

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Solution

The fourth proportional to 238,084.56, 328,559.16 and 130,661.52 is: 180,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,084.56 : 328,559.16 = 130,661.52 : x
  2. Step 2: Convert to fraction form
    238,084.56/328,559.16 = 130,661.52/x
  3. Step 3: Cross multiply
    238,084.56x = 328,559.16 × 130,661.52
  4. Step 4: Simplify right side
    238,084.56x = 42,930,039,255.52
  5. Step 5: Solve for x
    x = 42,930,039,255.52/238,084.56
  6. Step 6: Final answer
    x = 180,314.25

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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.