Home / 172,766.40-238,336.14-101,102.07

Finding the Fourth Proportional to 172,766.40, 238,336.14 and 101,102.07

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Solution

The fourth proportional to 172,766.40, 238,336.14 and 101,102.07 is: 139,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,766.40 : 238,336.14 = 101,102.07 : x
  2. Step 2: Convert to fraction form
    172,766.40/238,336.14 = 101,102.07/x
  3. Step 3: Cross multiply
    172,766.40x = 238,336.14 × 101,102.07
  4. Step 4: Simplify right side
    172,766.40x = 24,096,277,109.81
  5. Step 5: Solve for x
    x = 24,096,277,109.81/172,766.40
  6. Step 6: Final answer
    x = 139,473.17

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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.