Home / 102,519.44-141,373.28-68,528

Finding the Fourth Proportional to 102,519.44, 141,373.28 and 68,528

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Solution

The fourth proportional to 102,519.44, 141,373.28 and 68,528 is: 94,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,519.44 : 141,373.28 = 68,528 : x
  2. Step 2: Convert to fraction form
    102,519.44/141,373.28 = 68,528/x
  3. Step 3: Cross multiply
    102,519.44x = 141,373.28 × 68,528
  4. Step 4: Simplify right side
    102,519.44x = 9,688,028,131.84
  5. Step 5: Solve for x
    x = 9,688,028,131.84/102,519.44
  6. Step 6: Final answer
    x = 94,499.43

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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.