Home / 112,154.72-154,773.66-61,167.56

Finding the Fourth Proportional to 112,154.72, 154,773.66 and 61,167.56

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Solution

The fourth proportional to 112,154.72, 154,773.66 and 61,167.56 is: 84,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154.72 : 154,773.66 = 61,167.56 : x
  2. Step 2: Convert to fraction form
    112,154.72/154,773.66 = 61,167.56/x
  3. Step 3: Cross multiply
    112,154.72x = 154,773.66 × 61,167.56
  4. Step 4: Simplify right side
    112,154.72x = 9,467,127,134.47
  5. Step 5: Solve for x
    x = 9,467,127,134.47/112,154.72
  6. Step 6: Final answer
    x = 84,411.31

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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.