Home / 238,138.13-328,618.71-141,346.19

Finding the Fourth Proportional to 238,138.13, 328,618.71 and 141,346.19

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Solution

The fourth proportional to 238,138.13, 328,618.71 and 141,346.19 is: 195,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,138.13 : 328,618.71 = 141,346.19 : x
  2. Step 2: Convert to fraction form
    238,138.13/328,618.71 = 141,346.19/x
  3. Step 3: Cross multiply
    238,138.13x = 328,618.71 × 141,346.19
  4. Step 4: Simplify right side
    238,138.13x = 46,449,000,978.12
  5. Step 5: Solve for x
    x = 46,449,000,978.12/238,138.13
  6. Step 6: Final answer
    x = 195,050.67

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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.