Home / 238,688.01-329,385.15-131,258.34

Finding the Fourth Proportional to 238,688.01, 329,385.15 and 131,258.34

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Solution

The fourth proportional to 238,688.01, 329,385.15 and 131,258.34 is: 181,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688.01 : 329,385.15 = 131,258.34 : x
  2. Step 2: Convert to fraction form
    238,688.01/329,385.15 = 131,258.34/x
  3. Step 3: Cross multiply
    238,688.01x = 329,385.15 × 131,258.34
  4. Step 4: Simplify right side
    238,688.01x = 43,234,548,009.65
  5. Step 5: Solve for x
    x = 43,234,548,009.65/238,688.01
  6. Step 6: Final answer
    x = 181,134.14

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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.