Home / 157,272.22-217,040.88-89,292.16

Finding the Fourth Proportional to 157,272.22, 217,040.88 and 89,292.16

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Solution

The fourth proportional to 157,272.22, 217,040.88 and 89,292.16 is: 123,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,272.22 : 217,040.88 = 89,292.16 : x
  2. Step 2: Convert to fraction form
    157,272.22/217,040.88 = 89,292.16/x
  3. Step 3: Cross multiply
    157,272.22x = 217,040.88 × 89,292.16
  4. Step 4: Simplify right side
    157,272.22x = 19,380,048,983.50
  5. Step 5: Solve for x
    x = 19,380,048,983.50/157,272.22
  6. Step 6: Final answer
    x = 123,226.14

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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.