Home / 133,036.13-199,549.29-39,539.45

Finding the Fourth Proportional to 133,036.13, 199,549.29 and 39,539.45

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Solution

The fourth proportional to 133,036.13, 199,549.29 and 39,539.45 is: 59,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.13 : 199,549.29 = 39,539.45 : x
  2. Step 2: Convert to fraction form
    133,036.13/199,549.29 = 39,539.45/x
  3. Step 3: Cross multiply
    133,036.13x = 199,549.29 × 39,539.45
  4. Step 4: Simplify right side
    133,036.13x = 7,890,069,174.49
  5. Step 5: Solve for x
    x = 7,890,069,174.49/133,036.13
  6. Step 6: Final answer
    x = 59,307.72

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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.