Home / 238,099.09-328,575.71-130,670.86

Finding the Fourth Proportional to 238,099.09, 328,575.71 and 130,670.86

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Solution

The fourth proportional to 238,099.09, 328,575.71 and 130,670.86 is: 180,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,099.09 : 328,575.71 = 130,670.86 : x
  2. Step 2: Convert to fraction form
    238,099.09/328,575.71 = 130,670.86/x
  3. Step 3: Cross multiply
    238,099.09x = 328,575.71 × 130,670.86
  4. Step 4: Simplify right side
    238,099.09x = 42,935,268,304.58
  5. Step 5: Solve for x
    x = 42,935,268,304.58/238,099.09
  6. Step 6: Final answer
    x = 180,325.21

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1.5x scale

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.