Home / 102,362.19-141,290.24-64,661.55

Finding the Fourth Proportional to 102,362.19, 141,290.24 and 64,661.55

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Solution

The fourth proportional to 102,362.19, 141,290.24 and 64,661.55 is: 89,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,362.19 : 141,290.24 = 64,661.55 : x
  2. Step 2: Convert to fraction form
    102,362.19/141,290.24 = 64,661.55/x
  3. Step 3: Cross multiply
    102,362.19x = 141,290.24 × 64,661.55
  4. Step 4: Simplify right side
    102,362.19x = 9,136,045,594.96
  5. Step 5: Solve for x
    x = 9,136,045,594.96/102,362.19
  6. Step 6: Final answer
    x = 89,252.15

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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.