Home / 133,428.30-200,111.18-38,633.13

Finding the Fourth Proportional to 133,428.30, 200,111.18 and 38,633.13

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Solution

The fourth proportional to 133,428.30, 200,111.18 and 38,633.13 is: 57,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,428.30 : 200,111.18 = 38,633.13 : x
  2. Step 2: Convert to fraction form
    133,428.30/200,111.18 = 38,633.13/x
  3. Step 3: Cross multiply
    133,428.30x = 200,111.18 × 38,633.13
  4. Step 4: Simplify right side
    133,428.30x = 7,730,920,801.38
  5. Step 5: Solve for x
    x = 7,730,920,801.38/133,428.30
  6. Step 6: Final answer
    x = 57,940.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.