Home / 238,093.38-328,558.51-130,665.21

Finding the Fourth Proportional to 238,093.38, 328,558.51 and 130,665.21

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Solution

The fourth proportional to 238,093.38, 328,558.51 and 130,665.21 is: 180,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,093.38 : 328,558.51 = 130,665.21 : x
  2. Step 2: Convert to fraction form
    238,093.38/328,558.51 = 130,665.21/x
  3. Step 3: Cross multiply
    238,093.38x = 328,558.51 × 130,665.21
  4. Step 4: Simplify right side
    238,093.38x = 42,931,166,706.44
  5. Step 5: Solve for x
    x = 42,931,166,706.44/238,093.38
  6. Step 6: Final answer
    x = 180,312.31

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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.