Home / 265,130.27-397,757.69-87,637.29

Finding the Fourth Proportional to 265,130.27, 397,757.69 and 87,637.29

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Solution

The fourth proportional to 265,130.27, 397,757.69 and 87,637.29 is: 131,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,130.27 : 397,757.69 = 87,637.29 : x
  2. Step 2: Convert to fraction form
    265,130.27/397,757.69 = 87,637.29/x
  3. Step 3: Cross multiply
    265,130.27x = 397,757.69 × 87,637.29
  4. Step 4: Simplify right side
    265,130.27x = 34,858,406,247.35
  5. Step 5: Solve for x
    x = 34,858,406,247.35/265,130.27
  6. Step 6: Final answer
    x = 131,476.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.