Home / 234,801.18-324,018.29-131,435.34

Finding the Fourth Proportional to 234,801.18, 324,018.29 and 131,435.34

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Solution

The fourth proportional to 234,801.18, 324,018.29 and 131,435.34 is: 181,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,801.18 : 324,018.29 = 131,435.34 : x
  2. Step 2: Convert to fraction form
    234,801.18/324,018.29 = 131,435.34/x
  3. Step 3: Cross multiply
    234,801.18x = 324,018.29 × 131,435.34
  4. Step 4: Simplify right side
    234,801.18x = 42,587,453,455.19
  5. Step 5: Solve for x
    x = 42,587,453,455.19/234,801.18
  6. Step 6: Final answer
    x = 181,376.66

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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.