Home / 157,510.78-217,461.24-97,163.89

Finding the Fourth Proportional to 157,510.78, 217,461.24 and 97,163.89

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Solution

The fourth proportional to 157,510.78, 217,461.24 and 97,163.89 is: 134,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,510.78 : 217,461.24 = 97,163.89 : x
  2. Step 2: Convert to fraction form
    157,510.78/217,461.24 = 97,163.89/x
  3. Step 3: Cross multiply
    157,510.78x = 217,461.24 × 97,163.89
  4. Step 4: Simplify right side
    157,510.78x = 21,129,378,429.50
  5. Step 5: Solve for x
    x = 21,129,378,429.50/157,510.78
  6. Step 6: Final answer
    x = 134,145.61

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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.