Home / 97,502.10-134,615.43-79,639.98

Finding the Fourth Proportional to 97,502.10, 134,615.43 and 79,639.98

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Solution

The fourth proportional to 97,502.10, 134,615.43 and 79,639.98 is: 109,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,502.10 : 134,615.43 = 79,639.98 : x
  2. Step 2: Convert to fraction form
    97,502.10/134,615.43 = 79,639.98/x
  3. Step 3: Cross multiply
    97,502.10x = 134,615.43 × 79,639.98
  4. Step 4: Simplify right side
    97,502.10x = 10,720,770,152.89
  5. Step 5: Solve for x
    x = 10,720,770,152.89/97,502.10
  6. Step 6: Final answer
    x = 109,954.25

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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.