Home / 157,021.80-235,345.11-57,064.96

Finding the Fourth Proportional to 157,021.80, 235,345.11 and 57,064.96

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Solution

The fourth proportional to 157,021.80, 235,345.11 and 57,064.96 is: 85,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,021.80 : 235,345.11 = 57,064.96 : x
  2. Step 2: Convert to fraction form
    157,021.80/235,345.11 = 57,064.96/x
  3. Step 3: Cross multiply
    157,021.80x = 235,345.11 × 57,064.96
  4. Step 4: Simplify right side
    157,021.80x = 13,429,959,288.35
  5. Step 5: Solve for x
    x = 13,429,959,288.35/157,021.80
  6. Step 6: Final answer
    x = 85,529.27

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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.