Home / 172,939.95-238,588.27-104,931.95

Finding the Fourth Proportional to 172,939.95, 238,588.27 and 104,931.95

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Solution

The fourth proportional to 172,939.95, 238,588.27 and 104,931.95 is: 144,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,939.95 : 238,588.27 = 104,931.95 : x
  2. Step 2: Convert to fraction form
    172,939.95/238,588.27 = 104,931.95/x
  3. Step 3: Cross multiply
    172,939.95x = 238,588.27 × 104,931.95
  4. Step 4: Simplify right side
    172,939.95x = 25,035,530,962.96
  5. Step 5: Solve for x
    x = 25,035,530,962.96/172,939.95
  6. Step 6: Final answer
    x = 144,764.30

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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.