Home / 157,472.30-236,159.96-45,122.37

Finding the Fourth Proportional to 157,472.30, 236,159.96 and 45,122.37

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Solution

The fourth proportional to 157,472.30, 236,159.96 and 45,122.37 is: 67,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.30 : 236,159.96 = 45,122.37 : x
  2. Step 2: Convert to fraction form
    157,472.30/236,159.96 = 45,122.37/x
  3. Step 3: Cross multiply
    157,472.30x = 236,159.96 × 45,122.37
  4. Step 4: Simplify right side
    157,472.30x = 10,656,095,983.09
  5. Step 5: Solve for x
    x = 10,656,095,983.09/157,472.30
  6. Step 6: Final answer
    x = 67,669.65

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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.