Home / 172,950.40-238,635.16-105,003.08

Finding the Fourth Proportional to 172,950.40, 238,635.16 and 105,003.08

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Solution

The fourth proportional to 172,950.40, 238,635.16 and 105,003.08 is: 144,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950.40 : 238,635.16 = 105,003.08 : x
  2. Step 2: Convert to fraction form
    172,950.40/238,635.16 = 105,003.08/x
  3. Step 3: Cross multiply
    172,950.40x = 238,635.16 × 105,003.08
  4. Step 4: Simplify right side
    172,950.40x = 25,057,426,796.29
  5. Step 5: Solve for x
    x = 25,057,426,796.29/172,950.40
  6. Step 6: Final answer
    x = 144,882.16

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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.