Home / 102,665.89-141,670.93-59,638.26

Finding the Fourth Proportional to 102,665.89, 141,670.93 and 59,638.26

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Solution

The fourth proportional to 102,665.89, 141,670.93 and 59,638.26 is: 82,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,665.89 : 141,670.93 = 59,638.26 : x
  2. Step 2: Convert to fraction form
    102,665.89/141,670.93 = 59,638.26/x
  3. Step 3: Cross multiply
    102,665.89x = 141,670.93 × 59,638.26
  4. Step 4: Simplify right side
    102,665.89x = 8,449,006,751.24
  5. Step 5: Solve for x
    x = 8,449,006,751.24/102,665.89
  6. Step 6: Final answer
    x = 82,296.14

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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.