Home / 102,758.22-141,872.31-64,569.96

Finding the Fourth Proportional to 102,758.22, 141,872.31 and 64,569.96

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Solution

The fourth proportional to 102,758.22, 141,872.31 and 64,569.96 is: 89,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,758.22 : 141,872.31 = 64,569.96 : x
  2. Step 2: Convert to fraction form
    102,758.22/141,872.31 = 64,569.96/x
  3. Step 3: Cross multiply
    102,758.22x = 141,872.31 × 64,569.96
  4. Step 4: Simplify right side
    102,758.22x = 9,160,689,381.81
  5. Step 5: Solve for x
    x = 9,160,689,381.81/102,758.22
  6. Step 6: Final answer
    x = 89,148.00

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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.