Home / 172,308.26-237,794.64-100,730.18

Finding the Fourth Proportional to 172,308.26, 237,794.64 and 100,730.18

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Solution

The fourth proportional to 172,308.26, 237,794.64 and 100,730.18 is: 139,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,308.26 : 237,794.64 = 100,730.18 : x
  2. Step 2: Convert to fraction form
    172,308.26/237,794.64 = 100,730.18/x
  3. Step 3: Cross multiply
    172,308.26x = 237,794.64 × 100,730.18
  4. Step 4: Simplify right side
    172,308.26x = 23,953,097,106.98
  5. Step 5: Solve for x
    x = 23,953,097,106.98/172,308.26
  6. Step 6: Final answer
    x = 139,013.05

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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.