Home / 172,938.21-238,707.90-101,341.29

Finding the Fourth Proportional to 172,938.21, 238,707.90 and 101,341.29

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Solution

The fourth proportional to 172,938.21, 238,707.90 and 101,341.29 is: 139,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,938.21 : 238,707.90 = 101,341.29 : x
  2. Step 2: Convert to fraction form
    172,938.21/238,707.90 = 101,341.29/x
  3. Step 3: Cross multiply
    172,938.21x = 238,707.90 × 101,341.29
  4. Step 4: Simplify right side
    172,938.21x = 24,190,966,519.19
  5. Step 5: Solve for x
    x = 24,190,966,519.19/172,938.21
  6. Step 6: Final answer
    x = 139,882.14

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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.