Home / 102,699.72-141,725.70-59,687.64

Finding the Fourth Proportional to 102,699.72, 141,725.70 and 59,687.64

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Solution

The fourth proportional to 102,699.72, 141,725.70 and 59,687.64 is: 82,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,699.72 : 141,725.70 = 59,687.64 : x
  2. Step 2: Convert to fraction form
    102,699.72/141,725.70 = 59,687.64/x
  3. Step 3: Cross multiply
    102,699.72x = 141,725.70 × 59,687.64
  4. Step 4: Simplify right side
    102,699.72x = 8,459,272,560.35
  5. Step 5: Solve for x
    x = 8,459,272,560.35/102,699.72
  6. Step 6: Final answer
    x = 82,368.99

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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.