Home / 172,685.21-238,240.08-104,677.38

Finding the Fourth Proportional to 172,685.21, 238,240.08 and 104,677.38

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Solution

The fourth proportional to 172,685.21, 238,240.08 and 104,677.38 is: 144,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,685.21 : 238,240.08 = 104,677.38 : x
  2. Step 2: Convert to fraction form
    172,685.21/238,240.08 = 104,677.38/x
  3. Step 3: Cross multiply
    172,685.21x = 238,240.08 × 104,677.38
  4. Step 4: Simplify right side
    172,685.21x = 24,938,347,385.39
  5. Step 5: Solve for x
    x = 24,938,347,385.39/172,685.21
  6. Step 6: Final answer
    x = 144,415.08

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1.5x scale

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.