Home / 157,029.57-216,591.03-103,297.41

Finding the Fourth Proportional to 157,029.57, 216,591.03 and 103,297.41

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Solution

The fourth proportional to 157,029.57, 216,591.03 and 103,297.41 is: 142,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,029.57 : 216,591.03 = 103,297.41 : x
  2. Step 2: Convert to fraction form
    157,029.57/216,591.03 = 103,297.41/x
  3. Step 3: Cross multiply
    157,029.57x = 216,591.03 × 103,297.41
  4. Step 4: Simplify right side
    157,029.57x = 22,373,292,428.23
  5. Step 5: Solve for x
    x = 22,373,292,428.23/157,029.57
  6. Step 6: Final answer
    x = 142,478.21

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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.