Home / 272,036.21-375,402.47-151,174.42

Finding the Fourth Proportional to 272,036.21, 375,402.47 and 151,174.42

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Solution

The fourth proportional to 272,036.21, 375,402.47 and 151,174.42 is: 208,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,036.21 : 375,402.47 = 151,174.42 : x
  2. Step 2: Convert to fraction form
    272,036.21/375,402.47 = 151,174.42/x
  3. Step 3: Cross multiply
    272,036.21x = 375,402.47 × 151,174.42
  4. Step 4: Simplify right side
    272,036.21x = 56,751,248,974.44
  5. Step 5: Solve for x
    x = 56,751,248,974.44/272,036.21
  6. Step 6: Final answer
    x = 208,616.53

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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.