Home / 172,530.18-238,089.21-97,078.50

Finding the Fourth Proportional to 172,530.18, 238,089.21 and 97,078.50

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Solution

The fourth proportional to 172,530.18, 238,089.21 and 97,078.50 is: 133,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,530.18 : 238,089.21 = 97,078.50 : x
  2. Step 2: Convert to fraction form
    172,530.18/238,089.21 = 97,078.50/x
  3. Step 3: Cross multiply
    172,530.18x = 238,089.21 × 97,078.50
  4. Step 4: Simplify right side
    172,530.18x = 23,113,343,372.99
  5. Step 5: Solve for x
    x = 23,113,343,372.99/172,530.18
  6. Step 6: Final answer
    x = 133,966.96

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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.