Home / 102,599.12-141,589.16-64,360.28

Finding the Fourth Proportional to 102,599.12, 141,589.16 and 64,360.28

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Solution

The fourth proportional to 102,599.12, 141,589.16 and 64,360.28 is: 88,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,599.12 : 141,589.16 = 64,360.28 : x
  2. Step 2: Convert to fraction form
    102,599.12/141,589.16 = 64,360.28/x
  3. Step 3: Cross multiply
    102,599.12x = 141,589.16 × 64,360.28
  4. Step 4: Simplify right side
    102,599.12x = 9,112,717,982.56
  5. Step 5: Solve for x
    x = 9,112,717,982.56/102,599.12
  6. Step 6: Final answer
    x = 88,818.68

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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.