Home / 92,516.19-138,662.53-45,060.16

Finding the Fourth Proportional to 92,516.19, 138,662.53 and 45,060.16

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Solution

The fourth proportional to 92,516.19, 138,662.53 and 45,060.16 is: 67,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516.19 : 138,662.53 = 45,060.16 : x
  2. Step 2: Convert to fraction form
    92,516.19/138,662.53 = 45,060.16/x
  3. Step 3: Cross multiply
    92,516.19x = 138,662.53 × 45,060.16
  4. Step 4: Simplify right side
    92,516.19x = 6,248,155,787.80
  5. Step 5: Solve for x
    x = 6,248,155,787.80/92,516.19
  6. Step 6: Final answer
    x = 67,535.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.