Home / 170,929.36-256,418.34-52,610.56

Finding the Fourth Proportional to 170,929.36, 256,418.34 and 52,610.56

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Solution

The fourth proportional to 170,929.36, 256,418.34 and 52,610.56 is: 78,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,929.36 : 256,418.34 = 52,610.56 : x
  2. Step 2: Convert to fraction form
    170,929.36/256,418.34 = 52,610.56/x
  3. Step 3: Cross multiply
    170,929.36x = 256,418.34 × 52,610.56
  4. Step 4: Simplify right side
    170,929.36x = 13,490,312,461.67
  5. Step 5: Solve for x
    x = 13,490,312,461.67/170,929.36
  6. Step 6: Final answer
    x = 78,923.32

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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.