Home / 170,505.10-235,318.25-97,930.72

Finding the Fourth Proportional to 170,505.10, 235,318.25 and 97,930.72

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Solution

The fourth proportional to 170,505.10, 235,318.25 and 97,930.72 is: 135,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,505.10 : 235,318.25 = 97,930.72 : x
  2. Step 2: Convert to fraction form
    170,505.10/235,318.25 = 97,930.72/x
  3. Step 3: Cross multiply
    170,505.10x = 235,318.25 × 97,930.72
  4. Step 4: Simplify right side
    170,505.10x = 23,044,883,985.40
  5. Step 5: Solve for x
    x = 23,044,883,985.40/170,505.10
  6. Step 6: Final answer
    x = 135,156.57

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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.