Home / 102,277.63-141,186.81-68,763.07

Finding the Fourth Proportional to 102,277.63, 141,186.81 and 68,763.07

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Solution

The fourth proportional to 102,277.63, 141,186.81 and 68,763.07 is: 94,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,277.63 : 141,186.81 = 68,763.07 : x
  2. Step 2: Convert to fraction form
    102,277.63/141,186.81 = 68,763.07/x
  3. Step 3: Cross multiply
    102,277.63x = 141,186.81 × 68,763.07
  4. Step 4: Simplify right side
    102,277.63x = 9,708,438,499.11
  5. Step 5: Solve for x
    x = 9,708,438,499.11/102,277.63
  6. Step 6: Final answer
    x = 94,922.40

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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.