Home / 238,549.53-329,199.08-131,130.57

Finding the Fourth Proportional to 238,549.53, 329,199.08 and 131,130.57

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Solution

The fourth proportional to 238,549.53, 329,199.08 and 131,130.57 is: 180,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,549.53 : 329,199.08 = 131,130.57 : x
  2. Step 2: Convert to fraction form
    238,549.53/329,199.08 = 131,130.57/x
  3. Step 3: Cross multiply
    238,549.53x = 329,199.08 × 131,130.57
  4. Step 4: Simplify right side
    238,549.53x = 43,168,063,582.72
  5. Step 5: Solve for x
    x = 43,168,063,582.72/238,549.53
  6. Step 6: Final answer
    x = 180,960.59

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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.