Home / 112,302.72-154,980-62,004.96

Finding the Fourth Proportional to 112,302.72, 154,980 and 62,004.96

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Solution

The fourth proportional to 112,302.72, 154,980 and 62,004.96 is: 85,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,302.72 : 154,980 = 62,004.96 : x
  2. Step 2: Convert to fraction form
    112,302.72/154,980 = 62,004.96/x
  3. Step 3: Cross multiply
    112,302.72x = 154,980 × 62,004.96
  4. Step 4: Simplify right side
    112,302.72x = 9,609,528,700.80
  5. Step 5: Solve for x
    x = 9,609,528,700.80/112,302.72
  6. Step 6: Final answer
    x = 85,568.09

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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.