Home / 217,319.05-299,962.74-131,264.34

Finding the Fourth Proportional to 217,319.05, 299,962.74 and 131,264.34

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Solution

The fourth proportional to 217,319.05, 299,962.74 and 131,264.34 is: 181,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,319.05 : 299,962.74 = 131,264.34 : x
  2. Step 2: Convert to fraction form
    217,319.05/299,962.74 = 131,264.34/x
  3. Step 3: Cross multiply
    217,319.05x = 299,962.74 × 131,264.34
  4. Step 4: Simplify right side
    217,319.05x = 39,374,411,090.69
  5. Step 5: Solve for x
    x = 39,374,411,090.69/217,319.05
  6. Step 6: Final answer
    x = 181,182.51

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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.