Home / 157,271.22-217,039.50-89,291.16

Finding the Fourth Proportional to 157,271.22, 217,039.50 and 89,291.16

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Solution

The fourth proportional to 157,271.22, 217,039.50 and 89,291.16 is: 123,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,271.22 : 217,039.50 = 89,291.16 : x
  2. Step 2: Convert to fraction form
    157,271.22/217,039.50 = 89,291.16/x
  3. Step 3: Cross multiply
    157,271.22x = 217,039.50 × 89,291.16
  4. Step 4: Simplify right side
    157,271.22x = 19,379,708,720.82
  5. Step 5: Solve for x
    x = 19,379,708,720.82/157,271.22
  6. Step 6: Final answer
    x = 123,224.76

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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.