Home / 149,681.30-206,562.13-88,429.50

Finding the Fourth Proportional to 149,681.30, 206,562.13 and 88,429.50

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Solution

The fourth proportional to 149,681.30, 206,562.13 and 88,429.50 is: 122,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,681.30 : 206,562.13 = 88,429.50 : x
  2. Step 2: Convert to fraction form
    149,681.30/206,562.13 = 88,429.50/x
  3. Step 3: Cross multiply
    149,681.30x = 206,562.13 × 88,429.50
  4. Step 4: Simplify right side
    149,681.30x = 18,266,185,653.76
  5. Step 5: Solve for x
    x = 18,266,185,653.76/149,681.30
  6. Step 6: Final answer
    x = 122,033.86

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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.